National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

William M Tuck Airport (KW78)

Lat: 36.71°NLon: 78.85°WElev: 420ft.

Fair

49°F

9°C

Humidity 68%
Wind Speed W 9 mph
Barometer 29.85 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 27 Dec 2:35 am EST
Extended Forecast for

Crystal Hill VA

  • Overnight

    Overnight: Partly cloudy, with a low around 42. West wind around 7 mph.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 62. West wind 6 to 8 mph becoming northeast in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 33. Northeast wind around 6 mph becoming calm in the evening.

    Low: 33 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 56. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 56 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A slight chance of showers after 1am. Cloudy, with a low around 45. South wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Cloudy then
    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers before 1pm, then a chance of rain after 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 42. West wind around 7 mph.
Saturday
Mostly sunny, with a high near 62. West wind 6 to 8 mph becoming northeast in the afternoon.
Saturday Night
Increasing clouds, with a low around 33. Northeast wind around 6 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 56. Calm wind becoming south 5 to 7 mph in the afternoon.
Sunday Night
A slight chance of showers after 1am. Cloudy, with a low around 45. South wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Monday
A chance of showers before 1pm, then a chance of rain after 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Sunny, with a high near 41.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Sunny, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 27.
New Year's Day
Mostly sunny, with a high near 45.
Thursday Night
Mostly clear, with a low around 17.
Friday
Sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Hill VA
 36.83°N 78.92°W (Elev. 499 ft)
Last Update:
12:30 am EST Dec 27, 2025
Forecast Valid:
2am EST Dec 27, 2025-6pm EST Jan 2, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation