Yorktown, Virginia Weather Conditions

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Current Conditions

  • 81°
  • Light Rain
  • Wind: North 5 mph
  • Humidity: 79%
  • Visibility: 5.0 miles
  • Dew Point: 74°
  • Pressure: 29.88 in. +
  • Heat Index: 86

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Next 12 Hours

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2  am
Thunderstorm
T-storms
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T-storms
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82°
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Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Thursday
  • Thunderstorm
  • High: 86 °
  • Low: 72 °
  • T-Storms
  • Friday
  • Partly Cloudy
  • High: 86 °
  • Low: 72 °
  • Partly Cloudy
  • Saturday
  • Partly Cloudy
  • High: 91 °
  • Low: 79 °
  • Partly Cloudy
  • Sunday
  • Partly Cloudy
  • High: 97 °
  • Low: 75 °
  • Partly Cloudy
  • Monday
  • Partly Cloudy
  • High: 93 °
  • Low: 70 °
  • Partly Cloudy

Forecast for Yorktown, Virginia

Updated: 11:00 AM EDT on July 24, 2014

  • Thursday

    Overcast with thunderstorms, then thunderstorms and rain showers in the afternoon. High of 86F. Winds from the NW at 5 to 10 mph. Chance of rain 70%.

  • Thursday Night

    Overcast with thunderstorms and rain showers in the evening, then partly cloudy with a chance of rain. Low of 72F. Winds from the West at 5 to 10 mph shifting to the NNW after midnight. Chance of rain 60% with rainfall amounts near 0.2 in. possible.

  • Friday

    Partly cloudy. High of 86F. Winds from the NE at 5 to 10 mph.

  • Friday Night

    Partly cloudy. Low of 72F. Winds less than 5 mph.

  • Saturday

    Clear in the morning, then partly cloudy. High of 91F. Winds from the South at 5 to 10 mph.

  • Saturday Night

    Clear. Low of 79F. Winds from the South at 10 to 15 mph.

  • Sunday

    Clear in the morning, then mostly cloudy. High of 97F. Winds from the SW at 10 to 15 mph.

  • Sunday Night

    Partly cloudy with a chance of a thunderstorm and rain after midnight. Low of 75F. Winds from the SW at 10 to 15 mph. Chance of rain 20%.

  • Monday

    Partly cloudy. High of 93F. Winds from the WSW at 10 to 15 mph.

  • Monday Night

    Partly cloudy. Low of 70F. Winds from the NW at 10 to 15 mph.

  • Tuesday

    Partly cloudy. High of 84F. Winds from the NNW at 5 to 15 mph.

  • Tuesday Night

    Clear. Low of 66F. Winds from the NNE at 5 to 10 mph shifting to the NW after midnight.

  • Wednesday

    Partly cloudy. High of 84F. Winds less than 5 mph.

  • Wednesday Night

    Clear. Low of 66F. Winds from the SSE at 5 to 10 mph.

  • Thursday

    Partly cloudy with a chance of a thunderstorm. High of 84F. Winds from the South at 5 to 15 mph. Chance of rain 20%.

  • Thursday Night

    Partly cloudy. Low of 70F. Winds from the ESE at 5 to 15 mph.

  • Friday

    Partly cloudy. High of 84F. Winds from the ENE at 5 to 10 mph.

  • Friday Night

    Partly cloudy with a chance of a thunderstorm. Low of 70F. Winds from the North at 5 to 10 mph shifting to the ENE after midnight. Chance of rain 40%.

  • Saturday

    Partly cloudy with a chance of a thunderstorm. High of 82F. Winds from the East at 5 to 10 mph. Chance of rain 40%.

  • Saturday Night

    Overcast with a chance of a thunderstorm. Fog overnight. Low of 70F. Winds less than 5 mph. Chance of rain 50% with rainfall amounts near 0.4 in. possible.

  • Sunday

    Overcast with a chance of a thunderstorm. High of 84F. Winds less than 5 mph. Chance of rain 50%.

  • Sunday Night

    Clear with a chance of a thunderstorm. Low of 70F. Winds from the South at 5 to 10 mph. Chance of rain 30%.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: Cedarwood, Gloucester Point, VA

Updated: 1:05 PM EDT

Temperature: 79.7 °F Dew Point: 75 °F Humidity: 85% Wind: Calm Pressure: 29.93 in Hourly Precipitation: 0.02 in Heat Index: 84 °F Graphs

Location: York County, Virginia, Yorktown, VA

Updated: 1:04 PM EDT

Temperature: 77.0 °F Dew Point: 73 °F Humidity: 87% Wind: NW at 7.0 mph Pressure: 28.95 in Hourly Precipitation: - Heat Index: 78 °F Graphs

Location: Broadmarsh, Hayes, VA

Updated: 12:54 PM EDT

Temperature: 76.6 °F Dew Point: 74 °F Humidity: 91% Wind: Calm Pressure: 29.86 in Hourly Precipitation: 0.02 in Heat Index: 77 °F Graphs

Location: Hanover Heights, Newport News, VA

Updated: 1:05 PM EDT

Temperature: 80.4 °F Dew Point: 71 °F Humidity: 73% Wind: Calm Pressure: 29.86 in Hourly Precipitation: 0.00 in Heat Index: 84 °F Graphs

Location: Goose Creek, Seaford, VA

Updated: 1:05 PM EDT

Temperature: 76.7 °F Dew Point: 74 °F Humidity: 90% Wind: WNW at 4.0 mph Pressure: 29.81 in Hourly Precipitation: 0.04 in Heat Index: 78 °F Graphs

Location: Fort Eustis, FT Eustis, VA

Updated: 1:05 PM EDT

Temperature: 78.6 °F Dew Point: 60 °F Humidity: 53% Wind: North at 4.0 mph Pressure: 29.90 in Hourly Precipitation: 0.09 in Heat Index: 80 °F Graphs

Location: Emco Industrial Supplies, Newport News, VA

Updated: 1:05 PM EDT

Temperature: 81.1 °F Dew Point: 79 °F Humidity: 94% Wind: Calm Pressure: 29.95 in Hourly Precipitation: 0.07 in Heat Index: 90 °F Graphs

Location: The Mounger Zoo, Newport News, VA

Updated: 1:05 PM EDT

Temperature: 77.0 °F Dew Point: 74 °F Humidity: 92% Wind: WSW at 1.0 mph Pressure: 29.90 in Hourly Precipitation: 0.06 in Heat Index: 78 °F Graphs

Location: Captains Landing, Newport News, VA

Updated: 1:05 PM EDT

Temperature: 76.6 °F Dew Point: 74 °F Humidity: 91% Wind: Calm Pressure: 29.84 in Hourly Precipitation: 0.05 in Heat Index: 77 °F Graphs

Location: Kingsmill, Williamsburg, VA

Updated: 1:05 PM EDT

Temperature: 79.7 °F Dew Point: 77 °F Humidity: 90% Wind: Calm Pressure: 29.90 in Hourly Precipitation: 0.00 in Heat Index: 85 °F Graphs

Location: Williamsburg-York County, Williamsburg, VA

Updated: 1:05 PM EDT

Temperature: 78.7 °F Dew Point: 78 °F Humidity: 97% Wind: NNE at 3.5 mph Pressure: 29.80 in Hourly Precipitation: 0.01 in Heat Index: 83 °F Graphs

Location: Yorktown Rd., Poquoson, VA

Updated: 1:05 PM EDT

Temperature: 76.5 °F Dew Point: 75 °F Humidity: 96% Wind: Calm Pressure: 29.88 in Hourly Precipitation: 0.03 in Heat Index: 77 °F Graphs

Location: Keller America, Newport News, VA

Updated: 12:42 PM EDT

Temperature: 76.6 °F Dew Point: 74 °F Humidity: 92% Wind: WNW at 2.1 mph Pressure: 29.90 in Hourly Precipitation: 0.00 in Heat Index: 77 °F Graphs

Location: Riverside - Hidenwood, Newport News, VA

Updated: 1:05 PM EDT

Temperature: 75.6 °F Dew Point: 72 °F Humidity: 88% Wind: North at 6.0 mph Pressure: 29.91 in Hourly Precipitation: 0.00 in Heat Index: 76 °F Graphs

Location: Tuckahoe, Newport News, VA

Updated: 12:53 PM EDT

Temperature: 76.1 °F Dew Point: 75 °F Humidity: 96% Wind: Calm Pressure: 29.79 in Hourly Precipitation: - Heat Index: 76 °F Graphs

Location: Roanes Wharf, Gloucester Courthouse, VA

Updated: 1:05 PM EDT

Temperature: 77.0 °F Dew Point: 74 °F Humidity: 90% Wind: Calm Pressure: 29.96 in Hourly Precipitation: 0.00 in Heat Index: 78 °F Graphs

Location: Keck Lab, Williamsburg, VA

Updated: 1:00 PM EDT

Temperature: 75.5 °F Dew Point: 74 °F Humidity: 96% Wind: Calm Pressure: 29.85 in Hourly Precipitation: 0.00 in Heat Index: 74 °F Graphs

Location: Gloucester Courthouse VA, Gloucester, VA

Updated: 1:05 PM EDT

Temperature: 76.9 °F Dew Point: 75 °F Humidity: 95% Wind: NNE at 2.0 mph Pressure: 29.87 in Hourly Precipitation: 0.00 in Heat Index: 78 °F Graphs

Location: Williamsburg, VA

Updated: 1:05 PM EDT

Temperature: 82.2 °F Dew Point: 68 °F Humidity: 61% Wind: Calm Pressure: 29.75 in Hourly Precipitation: 0.00 in Heat Index: 85 °F Graphs

Location: Chanco's Grant, Williamsburg, VA

Updated: 1:05 PM EDT

Temperature: 81.5 °F Dew Point: 81 °F Humidity: 99% Wind: SE at 2.2 mph Pressure: 29.70 in Hourly Precipitation: 0.00 in Heat Index: 92 °F Graphs

Location: Northampton, Hampton, VA

Updated: 1:00 PM EDT

Temperature: 77.5 °F Dew Point: 77 °F Humidity: 99% Wind: Calm Pressure: 29.86 in Hourly Precipitation: 0.02 in Heat Index: 79 °F Graphs

Location: Fords Colony, Williamsburg, VA

Updated: 1:04 PM EDT

Temperature: 79.7 °F Dew Point: 75 °F Humidity: 86% Wind: Calm Pressure: 29.89 in Hourly Precipitation: 0.00 in Heat Index: 84 °F Graphs

Location: Rushmere Fire Station, Rushmere, VA

Updated: 1:01 PM EDT

Temperature: 76.8 °F Dew Point: 75 °F Humidity: 94% Wind: Calm Pressure: 29.83 in Hourly Precipitation: 0.04 in Heat Index: 77 °F Graphs

Location: St.Georges Hundred, Williamsburg, VA

Updated: 1:03 PM EDT

Temperature: 78.5 °F Dew Point: - Humidity: - Wind: Calm Pressure: 29.60 in Hourly Precipitation: 0.00 in Heat Index: 76 °F Graphs

Location: Powhaten Woods, Williamsburg, VA

Updated: 1:04 PM EDT

Temperature: 79.6 °F Dew Point: 75 °F Humidity: 87% Wind: Calm Pressure: 29.89 in Hourly Precipitation: 0.00 in Heat Index: 84 °F Graphs

Location: Barlows Pond, Williamsbug, VA

Updated: 1:01 PM EDT

Temperature: 77.7 °F Dew Point: 58 °F Humidity: 50% Wind: Calm Pressure: 30.95 in Hourly Precipitation: 0.00 in Heat Index: 79 °F Graphs

Location: Wexford Hills, Williamsburg, VA

Updated: 1:05 PM EDT

Temperature: 77.2 °F Dew Point: 74 °F Humidity: 90% Wind: WSW at 2.0 mph Pressure: 29.88 in Hourly Precipitation: 0.00 in Heat Index: 79 °F Graphs

Location: James City Weather, Williamsburg, VA

Updated: 1:05 PM EDT

Temperature: 74.4 °F Dew Point: 74 °F Humidity: 100% Wind: Calm Pressure: 29.89 in Hourly Precipitation: 1.70 in Heat Index: 71 °F Graphs

Location: Harris Creek, Hampton, VA

Updated: 1:05 PM EDT

Temperature: 79.5 °F Dew Point: 76 °F Humidity: 88% Wind: Calm Pressure: 29.86 in Hourly Precipitation: 0.00 in Heat Index: 84 °F Graphs

Location: North, VA

Updated: 1:00 PM EDT

Temperature: 76.7 °F Dew Point: 73 °F Humidity: 89% Wind: North at 5.0 mph Pressure: 28.97 in Hourly Precipitation: 0.00 in Heat Index: 78 °F Graphs

Location: Kings Landing, Surry, VA

Updated: 1:00 PM EDT

Temperature: 76.8 °F Dew Point: 74 °F Humidity: 92% Wind: Calm Pressure: 29.87 in Hourly Precipitation: 0.00 in Heat Index: 78 °F Graphs

Location: First Colony on The James, Williamsburg, VA

Updated: 1:05 PM EDT

Temperature: 78.0 °F Dew Point: 74 °F Humidity: 87% Wind: West at 2.0 mph Pressure: 29.86 in Hourly Precipitation: 0.00 in Heat Index: 80 °F Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service Wakefield Virginia 
1040 am EDT Thursday Jul 24 2014 


Synopsis... 
a cold front pushes across the region later today...then 
dissipates across the Carolinas late tonight through Friday. 
Meanwhile, high pressure builds north of the area Friday and 
Saturday. Another...stronger cold front will approach the area by 
early next week. 


&& 


Near term /through tonight/... 


..survey team headed toward the Virginia Eastern Shore at this time... 


Cluster of supercells out ahead of cold front currently moving offshore 
with numerous special marine warnings in effect. Strongest storm 
formed over the ches Bay just after 8 am then intensified as it 
moved onshore at a campground in Northampton County around 830 am. 
Several reports of injuries with numerous reports of damage received. 
See lsrakq for latest details. Update to be issued once survey 
team arrives on site. 


Will do a quick update to grids / zone forecast product with main threat of convection 
this afternoon from Virginia rt 460 on south into NC as cold front slowly 
sags south. Showers with embedded tstrms across the north. 




Pvs dscn: 
latest GOES WV Sat imagery continues to show shearing out upper 
disturbance over the central Appalachians this morning, with the 
associated surface boundary stalled just to our northwest...and extending 
from northern New Jersey back into south central PA and northern Kentucky. 


Seeing showers redeveloping as expected over northwestern Virginia/NC, 
with a few isolated rain showers pushing across far western akq Piedmont 
counties at 08z. Upper trough amplifying to the west will nudge the 
stalled surface front south across the local area later this morning 
into tonight. Latest hrrr and the 00z/24 nmm both suggest rain showers 
activity will continue to push east-NE across northwestern half of 
the County Warning Area now through middle morning, dropping southeast late this morning 
into the afternoon, with the front eventually slowing near the 
NC/Virginia border tonight. 


Regarding severe potential...overcast conditions and timing of 
showers and storms this morning ahead of the frontal passage will 
inhibit instability and any significant instability for much of 
the area. Exception will be over and south US-58 corridor over far 
southern/southeast Virginia into NE NC. Deep layer shear will be a bit more 
favorable over this area and with SBCAPE in the 1500-2000 j/kg 
range along and south of the border, best chance for organized 
convection will be with low level convergence/upward vertical velocity along differential 
heating boundary across the southern tier of the area. Severe 
threat would be short lived, but a few wet microbursts are 
possible over this area. Bigger threat will be with training 
storms as the slowing boundary sags into the area this afternoon/this 
evening...precipitable waters in the 1.75-2" range should yield locally heavy 
rainfall, with deep layer SW flow essentially parallel to best 
forcing leading to a concern for training storms/rains. 


Temperatures a bit of a challenge today given considerable cloudiness 
through the day north what will likely be developing afternoon convection 
across the south. Cut back highs across the north slightly (mid 
80s), while keeping southeast counties in the upper 80s to ~90 degree. 


Tonight... 


Boundary looks to stall across southeastern Virginia/northern NC tonight into Friday 
morning as the upper trough lingers across the Carolinas through Friday 
afternoon. While probability of precipitation are dropped across the north, low end chance probability of precipitation 
linger south of the NC border. Weak flow will bring only modest 
influx of cooler/drier airmass across northern zones, with another 
muggy night for most. Early morning lows in the low to middle 60s far 
northern zones, 65 to around 70 south elsewhere. 


&& 


Short term /Friday through Saturday night/... 
upper trough axis pushes across Friday into Friday aftn, with the 
surface front clearing the County Warning Area by midday (stalling just to the south 
Friday night). Dry Friday except kept a slight chance pop in across NE NC 
zones Friday morning. Thickness tools yield highs in the l-m80s, 
which is reflected well by the going forecast. 


Weak cold air advection across the north as high pressure builds into the area from 
the north Friday night and early Saturday. GFS continues to bring 
across some isolated thunder back in Sat afternoon as low level SW flow 
develops and pushes stalled front back north. However, with best 
forcing passing region well to the north, and with strong midlevel 
cap (inversion) evident on forecast cross sections, thinking is that 
our region will remain dry Saturday and Sat night. Highs Sat 85-90. 


&& 


Long term /Sunday through Wednesday/... 
long term period starts off Sat night into sun with an upper-level trough 
digging over the eastern Continental U.S. And surface hi pressure pushing offshore. A 
complex area of surface low pressure will develop across the Great Lakes 
region...with a prefrntal Lee trough leading to a chance of rain showers/thunderstorms 
over the local area. With deep S/SW flow...temperatures will be about five 
degrees above normal...highs in the low to middle 90s. The 
aforementioned surface low will push east and drag a cold front into the middle 
Atlantic region Monday/Monday night. Included a 40% chance of rain showers/thunderstorms 
during this time period. Highs Monday in the upper 80s to lower 90s. Aside 
from a low chance of rain near the CST...conditions will dry out for 
Tuesday and Wednesday...with highs only in the middle 80s. 


&& 


Aviation /15z Thursday through Monday/... 
isolated to scattered thunderstorms will linger over the Maryland/Virginia 
lower Eastern Shore in the vicinity of a thermal trough through at 
least 24/1000z. After which...increasing cloud cover ahead of a 
cold front near the WV/Virginia border will overspread the entire area. 
Patchy fog is possible from ksby to klku with conditions improving 
as the next batch of rain moves eastward this morning...just ahead of 
the front. Thunderstorm development will become focused along the 
cold front as the day progresses...with best chances expected to 
occur southeast of kric. Storms are not anticipated to become 
severe...however locally strong wind gusts and brief heavy 
rainfall should be the main impacts today. Conditions dry out from 
northwest to southeast late this evening and overnight as the 
front stalls along the NC coast after midnight into Friday 
morning. Lingering showers will be possible across far southeast Virginia/NE NC 
on Friday until the front pushes farther to the southeast and high 
pressure builds into the region from the west-northwest. The high then slides 
off the middle Atlantic coast by Saturday...bringing a return to 
rain-free conditions during most of the weekend. The next cold 
front approaches the region on Sunday. It is expected to cross the 
region Sunday night and then stall near the middle Atlantic coast 
Mon/Tue. 


Note: observations from ksby are not readily available due to a 
communications problem. Return to service is unknown at this time. 
However...current information may be obtained by calling into the 
ASOS site directly. Amend not schedule will be appended to the ksby taf 
until further notice. 


&& 


Marine... 
an approaching cold front is positioned along the New England 
coast to southern New Jersey and then cuts westward across northern Virginia as of 330 am this 
morning. This front will slowly cross the waters today and 
thunderstorm chances will increase as the day progresses. Main 
impacts will be localized strong wind gusts and brief heavy 
rainfall. The cold front stalls along the NC coast later this 
evening into Friday morning...then pushes farther to the southeast 
for the rest of the weekend. West-southwest to west-northwest winds will prevail this 
morning...then become northwest-north this afternoon through Friday morning (aob 15 kt). 
Waves generally 1-2 feet today through Friday...while seas average 
1-3 feet during the same time. 


An upper level trough pushes across the waters on Friday as surface high 
pressure builds back into the middle Atlantic region. Winds north-NE at or below 
10 knots Friday/Friday night. The surface high then slides off the middle Atlantic 
coast by Sat morning with weak cold air advection occurring behind its departure. 
This will mark a return to onshore east-southeast winds at or below 15 knots through the 
rest of the weekend. An approaching cold front on Sunday will cause 
the pressure gradient to tighten and a southerly surge in winds is 
anticipated Sat night. This may push speeds into low-end Small Craft Advisory for 
ches Bay and Currituck Sound (aob 20 kt)...however warm air advection processes may 
prevent this from actually happening. Will monitor model trends over 
the next few days to determine if Small Craft Advisory headlines are necessary. The 
cold front is expected to cross the waters late Monday/Monday night. 


&& 


Equipment... 
kdox radar has returned to service but remains unstable. 


&& 


Akq watches/warnings/advisories... 
Maryland...none. 
NC...none. 
Virginia...none. 
Marine...none. 


&& 


$$ 
Synopsis...mam 
near term...mpr/mam 
short term...mam 
long term...mas 
aviation...bmd 
marine...bmd 
equipment... 












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