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

42°F

6°C

Humidity 48%
Wind Speed Calm
Barometer 29.75 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 14 Jan 9:35 am EST
Extended Forecast for

South Boston VA

  • Today

    Today: A slight chance of showers between 1pm and 2pm. Mostly cloudy, with a high near 54. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 54 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A chance of showers, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 24. Southwest wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

    Low: 24 °F

    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 36. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 36 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 17. West wind 5 to 7 mph.

    Low: 17 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 42. South wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 42 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain before 1pm. Partly sunny, with a high near 48. Chance of precipitation is 30%.

    High: 48 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers between 1pm and 2pm. Mostly cloudy, with a high near 54. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.
Tonight
A chance of showers, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 24. Southwest wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 36. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Clear, with a low around 17. West wind 5 to 7 mph.
Friday
Sunny, with a high near 42. South wind 5 to 11 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 28.
Saturday
A chance of rain before 1pm. Partly sunny, with a high near 48. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Mostly clear, with a low around 17.
M.L.King Day
Sunny, with a high near 41.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Sunny, with a high near 39.
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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 am EST Jan 14, 2026
Forecast Valid:
9am EST Jan 14, 2026-6pm EST Jan 20, 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