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

72°F

22°C

Humidity 91%
Wind Speed SW 3 mph
Barometer 29.82 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 19 Jun 8:55 am EDT
Extended Forecast for

5 Miles WSW South Boston VA

  • Juneteenth

    Juneteenth: Isolated showers before 11am. Cloudy early, then gradual clearing, with a high near 86. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 86 °F

    Isolated
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86. Calm wind becoming west 5 to 7 mph in the morning.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 61. Calm wind.

    Low: 61 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 92. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 92 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Showers and possibly a thunderstorm after 2pm. High near 92. Chance of precipitation is 80%.

    High: 92 °F

    Mostly Sunny
    then T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm, mainly before 2am. Low around 67. Chance of precipitation is 80%.

    Low: 67 °F

    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Isolated showers before 11am. Cloudy early, then gradual clearing, with a high near 86. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 58. Northwest wind 5 to 7 mph becoming calm after midnight.
Saturday
Sunny, with a high near 86. Calm wind becoming west 5 to 7 mph in the morning.
Saturday Night
Clear, with a low around 61. Calm wind.
Sunday
Sunny and hot, with a high near 92. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Showers and possibly a thunderstorm after 2pm. High near 92. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm, mainly before 2am. Low around 67. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW South Boston VA
 36.68°N 78.99°W (Elev. 397 ft)
Last Update:
8:00 am EDT Jun 19, 2026
Forecast Valid:
9am EDT Jun 19, 2026-6pm EDT Jun 25, 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