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

Lake Anna Airport (K7W4)

Lat: 37.97°NLon: 77.75°WElev: 351ft.

Fair

31°F

-1°C

Humidity 92%
Wind Speed S 6 mph
Barometer 29.84 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 10 Dec 5:35 am EST
Extended Forecast for

4 Miles ENE Thornburg VA

  • Today

    Today: A slight chance of rain after 3pm. Mostly cloudy, with a high near 48. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 48 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tonight

    Tonight: Partly cloudy, with a low around 31. Southwest wind 6 to 9 mph becoming northwest after midnight.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 41. Northwest wind 6 to 8 mph.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 22. Light west wind.

    Low: 22 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of snow. Mostly cloudy, with a high near 39. Calm wind becoming southwest around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 39 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of rain after 3pm. Mostly cloudy, with a high near 48. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 31. Southwest wind 6 to 9 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 41. Northwest wind 6 to 8 mph.
Thursday Night
Increasing clouds, with a low around 22. Light west wind.
Friday
A chance of snow. Mostly cloudy, with a high near 39. Calm wind becoming southwest around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 44.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Mostly clear, with a low around 15.
Monday
Sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Thornburg VA
 38.15°N 77.46°W (Elev. 148 ft)
Last Update:
11:55 pm EST Dec 9, 2025
Forecast Valid:
6am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
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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