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

27°F

-3°C

Humidity 99%
Wind Speed Calm
Barometer 30.19 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 13 Mar 5:35 am EDT
Extended Forecast for

Louisa VA

  • Today

    Today: Sunny, with a high near 55. Breezy, with a light south wind increasing to 16 to 21 mph in the morning. Winds could gust as high as 34 mph.

    High: 55 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 39. Southwest wind 7 to 14 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 62. West wind 5 to 8 mph.

    High: 62 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39. Light east wind.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Mostly cloudy, with a high near 64. Calm wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 30%.

    High: 64 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly after 8pm. Low around 54. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Showers

  • Monday

    Monday: Showers. High near 71. Chance of precipitation is 100%.

    High: 71 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 33. Chance of precipitation is 50%.

    Low: 33 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 55. Breezy, with a light south wind increasing to 16 to 21 mph in the morning. Winds could gust as high as 34 mph.
Tonight
Mostly clear, with a low around 39. Southwest wind 7 to 14 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 62. West wind 5 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 39. Light east wind.
Sunday
A chance of showers after 2pm. Mostly cloudy, with a high near 64. Calm wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 30%.
Sunday Night
Showers, mainly after 8pm. Low around 54. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers. High near 71. Chance of precipitation is 100%.
Monday Night
A chance of showers before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 33. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Mostly sunny, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Louisa VA
 38.02°N 78°W (Elev. 413 ft)
Last Update:
6:04 am EDT Mar 13, 2026
Forecast Valid:
6am EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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