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.

Fair

79°F

26°C

Humidity 87%
Wind Speed Calm
Barometer 29.95 in (1014.1 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 21 Aug 4:55 am EDT
Extended Forecast for

2 Miles W Sumter SC

  • Today

    Today: Showers and thunderstorms likely, mainly after 3pm. Some of the storms could produce heavy rainfall. Increasing clouds, with a high near 95. Heat index values as high as 106. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 95 °F

    Sunny then
    Heavy Rain

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 10pm. Some of the storms could produce heavy rainfall. Patchy fog after 3am. Low around 72. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 72 °F

    Heavy Rain
    then Chance
    T-storms and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Patchy Fog
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 93. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 3pm. Some of the storms could produce heavy rainfall. Increasing clouds, with a high near 95. Heat index values as high as 106. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and thunderstorms, mainly before 10pm. Some of the storms could produce heavy rainfall. Patchy fog after 3am. Low around 72. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Sunny, with a high near 93. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 70.
Monday
Sunny, with a high near 92.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Sumter SC
 33.95°N 80.43°W (Elev. 180 ft)
Last Update:
2:21 am EDT Aug 21, 2026
Forecast Valid:
5am EDT Aug 21, 2026-6pm EDT Aug 27, 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