National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

William M Tuck Airport (KW78)

Lat: 36.71°NLon: 78.85°WElev: 420ft.

Overcast

74°F

23°C

Humidity 91%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 13 Jul 10:15 pm EDT
Extended Forecast for

South Boston VA

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Areas of fog after 4am. Otherwise, mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms and
    Areas Fog

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after 2pm. Areas of fog before 9am. Otherwise, mostly sunny and hot, with a high near 91. Heat index values as high as 102. Light and variable wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Areas Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 5am, then a slight chance of showers. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 71 °F

    T-storms
    Likely then
    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 88. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 72. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers and thunderstorms likely after 11am. Mostly cloudy, with a high near 87. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    Showers then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

    Low: 73 °F

    T-storms
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 90. Chance of precipitation is 50%.

    High: 90 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Areas of fog after 4am. Otherwise, mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms, mainly after 2pm. Areas of fog before 9am. Otherwise, mostly sunny and hot, with a high near 91. Heat index values as high as 102. Light and variable wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely before 5am, then a slight chance of showers. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 88. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 72. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly cloudy, with a high near 87. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 90. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny and hot, with a high near 90. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
South Boston VA
 36.7°N 78.91°W (Elev. 348 ft)
Last Update:
8:00 pm EDT Jul 13, 2025
Forecast Valid:
10pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

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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