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

William M Tuck Airport (KW78)

Lat: 36.71°NLon: 78.85°WElev: 420ft.

Fair

72°F

22°C

Humidity 27%
Wind Speed NW 15 G 20 mph
Barometer 29.81 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 30 Apr 3:55 pm EDT
Extended Forecast for

South Boston VA

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. Northwest wind around 10 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. Northwest wind around 6 mph becoming calm after midnight.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 70. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 46. Light and variable wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 8am. Cloudy, with a high near 59. Northeast wind 3 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers, mainly before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 39. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 72. Northwest wind around 10 mph.
Tonight
Mostly clear, with a low around 40. Northwest wind around 6 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 70. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 46. Light and variable wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, mainly after 8am. Cloudy, with a high near 59. Northeast wind 3 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A chance of showers, mainly before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 39. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Sunny, with a high near 67.
Sunday Night
Clear, with a low around 38.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Boston VA
 36.7°N 78.94°W (Elev. 400 ft)
Last Update:
3:30 pm EDT Apr 30, 2026
Forecast Valid:
3pm EDT Apr 30, 2026-6pm EDT May 6, 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