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

Shaw Air Force Base (KSSC)

Lat: 33.97°NLon: 80.48°WElev: 243ft.

Partly Cloudy

95°F

35°C

Humidity 42%
Wind Speed SE 3 mph
Barometer 29.94 in (1013.7 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 19 Aug 12:55 pm EDT
Extended Forecast for

South Sumter SC

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms. Mostly sunny and hot, with a high near 98. Heat index values as high as 104. Calm wind. Chance of precipitation is 20%.

    High: 98 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 98. Heat index values as high as 104. Calm wind. Chance of precipitation is 20%.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely after 2pm. Some of the storms could produce heavy rainfall. Mostly sunny and hot, with a high near 97. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 97 °F

    Sunny then
    Heavy Rain

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 72. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    Low: 72 °F

    Heavy Rain

  • Saturday

    Saturday: A chance of showers and thunderstorms before 8am, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 93. Chance of precipitation is 60%.

    High: 93 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

    Low: 72 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly sunny and hot, with a high near 98. Heat index values as high as 104. Calm wind. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 75. Calm wind.
Thursday
A slight chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 98. Heat index values as high as 104. Calm wind. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
Showers and thunderstorms likely after 2pm. Some of the storms could produce heavy rainfall. Mostly sunny and hot, with a high near 97. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and thunderstorms likely, mainly before 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 72. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Saturday
A chance of showers and thunderstorms before 8am, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 93. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
South Sumter SC
 33.89°N 80.32°W (Elev. 131 ft)
Last Update:
2:21 am EDT Aug 19, 2026
Forecast Valid:
2pm EDT Aug 19, 2026-6pm EDT Aug 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