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.

Overcast

38°F

3°C

Humidity 95%
Wind Speed NE 3 mph
Barometer 30.52 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 2 Mar 11:35 pm EST
Extended Forecast for

South Boston VA

  • Tonight

    Tonight: A chance of rain before 3am, then a chance of rain after 4am. Patchy fog after 1am. Otherwise, cloudy, with a low around 37. Light north wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Chance Rain
    and Patchy
    Fog

  • Tuesday

    Tuesday: A chance of rain, mainly before 9am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 56. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Chance Rain
    and Patchy
    Fog then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47. South wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Southwest wind 3 to 7 mph.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53. Light southwest wind.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain before 3am, then a chance of rain after 4am. Patchy fog after 1am. Otherwise, cloudy, with a low around 37. Light north wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A chance of rain, mainly before 9am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 56. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 47. South wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 75. Southwest wind 3 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 53. Light southwest wind.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly cloudy, with a low around 58.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
A chance of showers. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Monday
Showers likely. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
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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 pm EST Mar 2, 2026
Forecast Valid:
11pm EST Mar 2, 2026-6pm EDT Mar 9, 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