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.

Mostly Cloudy

80°F

27°C

Humidity 64%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 20 Aug 1:55 pm EDT
Extended Forecast for

South Boston VA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 87. Northeast wind around 5 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 69. Calm wind becoming north around 5 mph after midnight.

    Low: 69 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 86. North wind 8 to 10 mph. Chance of precipitation is 20%.

    High: 86 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65. Northeast wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 83. Calm wind becoming northeast around 5 mph.

    High: 83 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 87. Northeast wind around 5 mph.
Tonight
Mostly cloudy, with a low around 69. Calm wind becoming north around 5 mph after midnight.
Thursday
A slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 86. North wind 8 to 10 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 65. Northeast wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 83. Calm wind becoming northeast around 5 mph.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Sunday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 79.
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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:
1:30 pm EDT Aug 20, 2025
Forecast Valid:
2pm EDT Aug 20, 2025-6pm EDT Aug 26, 2025
 
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