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

77°F

25°C

Humidity 79%
Wind Speed Calm
Barometer 29.87 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 5 Sep 8:35 pm EDT
Extended Forecast for

3 Miles ENE South Boston VA

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly between 10pm and 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 83. Northeast wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. Light northeast wind.

    Low: 60 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 85. Northeast wind 5 to 8 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. Light east wind.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 91.

    High: 91 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly between 10pm and 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 83. Northeast wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Partly cloudy, with a low around 60. Light northeast wind.
Labor Day
Mostly sunny, with a high near 85. Northeast wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 58. Light east wind.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny and hot, with a high near 91.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE South Boston VA
 36.72°N 78.85°W (Elev. 400 ft)
Last Update:
8:00 pm EDT Sep 5, 2026
Forecast Valid:
8pm EDT Sep 5, 2026-6pm EDT Sep 12, 2026
 
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Additional Resources

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Chance of Precipitation