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

35°F

2°C

Humidity 70%
Wind Speed SW 3 mph
Barometer 30.08 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 15 Feb 1:35 am EST
Extended Forecast for

3 Miles S Thornburg VA

  • Overnight

    Overnight: Mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, mainly after 1pm. High near 48. Southwest wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 1am. Low around 37. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Rain then
    Rain Likely

  • Washington's Birthday

    Washington's Birthday: Cloudy, then gradually becoming mostly sunny, with a high near 50. North wind 3 to 6 mph.

    High: 50 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. Light and variable wind.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 35. Calm wind.
Sunday
Rain, mainly after 1pm. High near 48. Southwest wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain, mainly before 1am. Low around 37. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Washington's Birthday
Cloudy, then gradually becoming mostly sunny, with a high near 50. North wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 33. Light and variable wind.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
Mostly cloudy, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 44. Chance of precipitation is 40%.
Friday
A chance of rain. Mostly cloudy, with a high near 64. Chance of precipitation is 50%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Saturday
A chance of rain. Mostly sunny, with a high near 57. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Thornburg VA
 38.09°N 77.5°W (Elev. 226 ft)
Last Update:
12:59 am EST Feb 15, 2026
Forecast Valid:
1am EST Feb 15, 2026-6pm EST Feb 21, 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