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 36%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 2 Feb 6:15 pm EST
Extended Forecast for

3 Miles S Thornburg VA

  • Tonight

    Tonight: Partly cloudy, with a low around 14. Calm wind.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow between 1pm and 4pm, then a slight chance of rain after 4pm. Increasing clouds, with a high near 42. Calm wind becoming southwest around 5 mph. Chance of precipitation is 20%.

    High: 42 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain before 10pm, then a chance of rain and snow between 10pm and 4am, then a chance of snow after 4am. Cloudy, with a low around 28. Calm wind. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 28 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of snow before 7am. Partly sunny, with a high near 36. North wind 5 to 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 36 °F

    Chance Snow
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 17. Light north wind.

    Low: 17 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

  • Friday

    Friday: A chance of snow before 1pm. Partly sunny, with a high near 42. Chance of precipitation is 30%.

    High: 42 °F

    Chance Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 14. Calm wind.
Tuesday
A slight chance of snow between 1pm and 4pm, then a slight chance of rain after 4pm. Increasing clouds, with a high near 42. Calm wind becoming southwest around 5 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of rain before 10pm, then a chance of rain and snow between 10pm and 4am, then a chance of snow after 4am. Cloudy, with a low around 28. Calm wind. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday
A chance of snow before 7am. Partly sunny, with a high near 36. North wind 5 to 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 17. Light north wind.
Thursday
Sunny, with a high near 34.
Thursday Night
Mostly clear, with a low around 14.
Friday
A chance of snow before 1pm. Partly sunny, with a high near 42. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Sunny, with a high near 30.
Saturday Night
Mostly clear, with a low around 11.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 13.
Monday
Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Thornburg VA
 38.09°N 77.53°W (Elev. 249 ft)
Last Update:
6:58 pm EST Feb 2, 2026
Forecast Valid:
7pm EST Feb 2, 2026-6pm EST Feb 9, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation