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

74°F

23°C

Humidity 26%
Wind Speed S 9 G 16 mph
Barometer 29.98 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 20 Mar 1:55 pm EDT
Extended Forecast for

4 Miles NNW Bumpass VA

  • This Afternoon

    This Afternoon: A chance of showers after 5pm. Increasing clouds, with a high near 72. Southwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a slight chance of showers. Cloudy, then gradually becoming partly cloudy, with a low around 50. Southwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 70. North wind 3 to 7 mph.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. Light east wind.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly after 2am. Increasing clouds, with a low around 59. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 64. Chance of precipitation is 30%.

    High: 64 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers after 5pm. Increasing clouds, with a high near 72. Southwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tonight
Showers and thunderstorms likely before 2am, then a slight chance of showers. Cloudy, then gradually becoming partly cloudy, with a low around 50. Southwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 70. North wind 3 to 7 mph.
Saturday Night
Partly cloudy, with a low around 47. Light east wind.
Sunday
Mostly sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the morning.
Sunday Night
A chance of showers and thunderstorms, mainly after 2am. Increasing clouds, with a low around 59. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 64. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Bumpass VA
 38°N 77.77°W (Elev. 289 ft)
Last Update:
12:10 pm EDT Mar 20, 2026
Forecast Valid:
1pm EDT Mar 20, 2026-6pm EDT Mar 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