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

42°F

6°C

Humidity 38%
Wind Speed N 3 mph
Barometer 30.18 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 13 Feb 3:35 pm EST
Extended Forecast for

Louisa VA

  • Tonight

    Tonight: Clear, with a low around 22. Calm wind.

    Low: 22 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 58. West wind 3 to 6 mph.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 33. Calm wind.

    Low: 33 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain, mainly after 1pm. High near 46. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 1am. Cloudy, with a low around 36. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain Likely

  • Washington's Birthday

    Washington's Birthday: A slight chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 49. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34.

    Low: 34 °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 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 22. Calm wind.
Saturday
Sunny, with a high near 58. West wind 3 to 6 mph.
Saturday Night
Increasing clouds, with a low around 33. Calm wind.
Sunday
Rain, mainly after 1pm. High near 46. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely, mainly before 1am. Cloudy, with a low around 36. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Washington's Birthday
A slight chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 49. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Mostly cloudy, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
Partly sunny, with a high near 64.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Friday
A chance of rain. Partly sunny, with a high near 61. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Louisa VA
 38.02°N 78°W (Elev. 413 ft)
Last Update:
3:31 pm EST Feb 13, 2026
Forecast Valid:
5pm EST Feb 13, 2026-6pm EST Feb 20, 2026
 
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Additional Resources

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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