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.

Fog/Mist

67°F

19°C

Humidity 95%
Wind Speed Calm
Barometer 30.14 in (1020.6 mb)
Dewpoint 66°F (19°C)
Visibility 5.00 mi
Last update 20 May 6:55 am EDT
Extended Forecast for

3 Miles S South Sumter SC

  • Today

    Today: Patchy fog before 8am. Otherwise, sunny, with a high near 94. Light and variable wind.

    High: 94 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 68. South wind 5 to 8 mph becoming calm after midnight.

    Low: 68 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 94 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 70. South wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 90. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 90. Chance of precipitation is 70%.

    High: 90 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 89. Chance of precipitation is 60%.

    High: 89 °F

    Showers
    Likely

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, sunny, with a high near 94. Light and variable wind.
Tonight
Increasing clouds, with a low around 68. South wind 5 to 8 mph becoming calm after midnight.
Thursday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 70. South wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 90. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 90. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 89. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Memorial Day
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 89. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S South Sumter SC
 33.85°N 80.36°W (Elev. 174 ft)
Last Update:
2:20 am EDT May 20, 2026
Forecast Valid:
7am EDT May 20, 2026-6pm EDT May 26, 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