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.

Overcast

32°F

0°C

Humidity 70%
Wind Speed NE 7 mph
Barometer 30.24 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 4 Feb 8:55 am EST
Extended Forecast for

4 Miles ENE Thornburg VA

  • Today

    Today: A slight chance of snow after 4pm. Mostly cloudy, with a high near 37. North wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 37 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Tonight

    Tonight: A slight chance of snow before 1am. Mostly cloudy, with a low around 19. North wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 19 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: Sunny, with a high near 35. North wind around 7 mph.

    High: 35 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16. Calm wind.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow after 1pm. Increasing clouds, with a high near 39. Calm wind becoming south around 5 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Mostly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 19.

    Low: 19 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 32. Breezy.

    High: 32 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of snow after 4pm. Mostly cloudy, with a high near 37. North wind 6 to 8 mph. Chance of precipitation is 20%.
Tonight
A slight chance of snow before 1am. Mostly cloudy, with a low around 19. North wind 3 to 5 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 35. North wind around 7 mph.
Thursday Night
Partly cloudy, with a low around 16. Calm wind.
Friday
A chance of snow after 1pm. Increasing clouds, with a high near 39. Calm wind becoming south around 5 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 19.
Saturday
Sunny, with a high near 32. Breezy.
Saturday Night
Mostly clear, with a low around 12.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 16.
Monday
Mostly sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 46.
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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:
6:44 am EST Feb 4, 2026
Forecast Valid:
9am EST Feb 4, 2026-6pm EST Feb 10, 2026
 
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