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

37°F

3°C

Humidity 87%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 20 Mar 2:55 am EDT
Extended Forecast for

3 Miles E South Boston VA

  • Overnight

    Overnight: Clear, with a low around 36. Calm wind.

    Low: 36 °F

    Clear

  • Friday

    Friday: Increasing clouds, with a high near 72. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 72 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Scattered showers between 11pm and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 51. Southwest wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Scattered
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 76. Light and variable wind becoming west around 5 mph.

    High: 76 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers after 2pm. Mostly sunny, with a high near 77. Chance of precipitation is 30%.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 8pm. Mostly clear, with a low around 38. Chance of precipitation is 30%.

    Low: 38 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 36. Calm wind.
Friday
Increasing clouds, with a high near 72. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Scattered showers between 11pm and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 51. Southwest wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 76. Light and variable wind becoming west around 5 mph.
Saturday Night
Partly cloudy, with a low around 51. Calm wind.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 61.
Monday
A chance of showers after 2pm. Mostly sunny, with a high near 77. Chance of precipitation is 30%.
Monday Night
A chance of showers before 8pm. Mostly clear, with a low around 38. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 65.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
Partly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E South Boston VA
 36.72°N 78.85°W (Elev. 400 ft)
Last Update:
2:30 am EDT Mar 20, 2026
Forecast Valid:
3am EDT Mar 20, 2026-6pm EDT Mar 26, 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