National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Lake Anna Airport (K7W4)

Lat: 37.97°NLon: 77.75°WElev: 351ft.

Mostly Cloudy

35°F

2°C

Humidity 95%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 20 Apr 6:55 am EDT
Extended Forecast for

Louisa VA

Freeze Warning April 21, 02:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Today

    Today: Mostly sunny, with a high near 60. Northwest wind 5 to 13 mph, with gusts as high as 23 mph.

    High: 60 °F

    Mostly Sunny

  • Tonight

    Tonight: Areas of frost after 2am. Otherwise, mostly clear, with a low around 29. North wind around 6 mph becoming calm in the evening.

    Low: 29 °F

    Mostly Clear
    then Areas
    Frost

  • Tuesday

    Tuesday: Areas of frost before 9am. Otherwise, sunny, with a high near 65. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 65 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49. South wind around 6 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 79. West wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers
    Likely then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 60. Northwest wind 5 to 13 mph, with gusts as high as 23 mph.
Tonight
Areas of frost after 2am. Otherwise, mostly clear, with a low around 29. North wind around 6 mph becoming calm in the evening.
Tuesday
Areas of frost before 9am. Otherwise, sunny, with a high near 65. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 49. South wind around 6 mph.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 79. West wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 57.
Saturday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 50%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
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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:
2:31 am EDT Apr 20, 2026
Forecast Valid:
6am EDT Apr 20, 2026-6pm EDT Apr 26, 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