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

29°F

-2°C

Humidity 68%
Wind Speed Calm
Barometer 30.31 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 12 Jan 4:55 am EST
Extended Forecast for

3 Miles S Thornburg VA

  • Today

    Today: Sunny, with a high near 47. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. Light southwest wind.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 52. Calm wind becoming south 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. Southwest wind 6 to 8 mph, with gusts as high as 18 mph.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after 1pm. Mostly cloudy, with a high near 54. Southwest wind around 7 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.

    High: 54 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Slight Chance
    Rain then
    Chance Rain

  • Thursday

    Thursday: Rain likely before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.

    High: 43 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.

    Low: 20 °F

    Chance
    Rain/Snow

  • Friday

    Friday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 47. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 27. Light southwest wind.
Tuesday
Sunny, with a high near 52. Calm wind becoming south 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph.
Tuesday Night
Partly cloudy, with a low around 37. Southwest wind 6 to 8 mph, with gusts as high as 18 mph.
Wednesday
A slight chance of rain after 1pm. Mostly cloudy, with a high near 54. Southwest wind around 7 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of rain, mainly after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Friday
Sunny, with a high near 37.
Friday Night
Mostly clear, with a low around 23.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Thornburg VA
 38.09°N 77.5°W (Elev. 226 ft)
Last Update:
3:31 am EST Jan 12, 2026
Forecast Valid:
5am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation