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

25°F

-4°C

Humidity 86%
Wind Speed Calm
Barometer 29.82 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 2 Jan 7:35 am EST
Extended Forecast for

South Boston VA

  • Today

    Today: Increasing clouds, with a high near 57. Light southwest wind becoming west 5 to 9 mph in the morning.

    High: 57 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain, mainly after 10am. High near 40. Calm wind becoming northeast around 6 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain

  • Saturday Night

    Saturday Night: Rain, mainly before 7pm. Low around 30. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 49. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 49 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 24.

    Low: 24 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 57. Light southwest wind becoming west 5 to 9 mph in the morning.
Tonight
Mostly cloudy, with a low around 33. Calm wind.
Saturday
Rain, mainly after 10am. High near 40. Calm wind becoming northeast around 6 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain, mainly before 7pm. Low around 30. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Sunny, with a high near 49. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 24.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Mostly cloudy, with a high near 65.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
A chance of rain. Partly sunny, with a high near 63. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Boston VA
 36.7°N 78.91°W (Elev. 348 ft)
Last Update:
7:00 am EST Jan 2, 2026
Forecast Valid:
7am EST Jan 2, 2026-6pm EST Jan 8, 2026
 
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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