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

46°F

8°C

Humidity 69%
Wind Speed NE 3 mph
Barometer 30.13 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 27 Dec 7:15 pm EST
Extended Forecast for

South Boston VA

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. East wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 50. Calm wind becoming south around 6 mph in the afternoon.

    High: 50 °F

    Cloudy

  • Sunday Night

    Sunday Night: A chance of rain after 1am. Cloudy, with a temperature rising to around 57 by 4am. Southwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 48 °F⇑

    Cloudy then
    Chance Rain

  • Monday

    Monday: A chance of rain. Mostly cloudy, with a high near 66. West wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 25. West wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 29.

    Low: 29 °F

    Increasing
    Clouds

Detailed Forecast

Tonight
Mostly cloudy, with a low around 33. East wind around 5 mph becoming calm in the evening.
Sunday
Cloudy, with a high near 50. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
A chance of rain after 1am. Cloudy, with a temperature rising to around 57 by 4am. Southwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Monday
A chance of rain. Mostly cloudy, with a high near 66. West wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 25. West wind 10 to 14 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 41.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Increasing clouds, with a low around 29.
New Year's Day
Mostly cloudy, then gradually becoming sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Boston VA
 36.7°N 78.91°W (Elev. 348 ft)
Last Update:
7:00 pm EST Dec 27, 2025
Forecast Valid:
7pm EST Dec 27, 2025-6pm EST Jan 3, 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