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

44°F

7°C

Humidity 95%
Wind Speed Calm
Barometer 29.78 in
Dewpoint 42°F (6°C)
Visibility 1.50 mi
Last update 20 Feb 3:35 am EST
Extended Forecast for

3 Miles E South Boston VA

  • Overnight

    Overnight: Patchy fog. Otherwise, cloudy, with a low around 44. Light east wind.

    Low: 44 °F

    Patchy Fog

  • Friday

    Friday: A chance of showers, mainly between 9am and noon. Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 72. Light and variable wind becoming west 8 to 13 mph in the morning. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 45. West wind 5 to 8 mph.

    Low: 45 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A chance of rain, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 60. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 4am. Increasing clouds, with a low around 41. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Partly Cloudy
    then Rain
    Likely

  • Sunday

    Sunday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 47. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, cloudy, with a low around 44. Light east wind.
Friday
A chance of showers, mainly between 9am and noon. Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 72. Light and variable wind becoming west 8 to 13 mph in the morning. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Increasing clouds, with a low around 45. West wind 5 to 8 mph.
Saturday
A chance of rain, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 60. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain likely, mainly after 4am. Increasing clouds, with a low around 41. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 47. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Sunny, with a high near 46.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
Mostly cloudy, with a high near 54.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

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

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Chance of Precipitation