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

86°F

30°C

Humidity 36%
Wind Speed SW 10 G 16 mph
Barometer 29.91 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 18 Apr 2:15 pm EDT
Extended Forecast for

Louisa VA

  • This Afternoon

    This Afternoon: Sunny, with a high near 89. South wind around 9 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers before 2am, then a chance of showers after 4am. Mostly cloudy, with a low around 52. South wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before noon. Cloudy through mid morning, then gradual clearing, with a high near 62. Northwest wind 8 to 11 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Northwest wind around 6 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 59. Northwest wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 89. South wind around 9 mph.
Tonight
A slight chance of showers before 2am, then a chance of showers after 4am. Mostly cloudy, with a low around 52. South wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers likely, mainly before noon. Cloudy through mid morning, then gradual clearing, with a high near 62. Northwest wind 8 to 11 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Mostly clear, with a low around 39. Northwest wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 59. Northwest wind 5 to 9 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 49.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Louisa VA
 38.02°N 78°W (Elev. 413 ft)
Last Update:
2:12 pm EDT Apr 18, 2026
Forecast Valid:
2pm EDT Apr 18, 2026-6pm EDT Apr 24, 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