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

Hazardous Weather Conditions

Current conditions at

Shaw Air Force Base (KSSC)

Lat: 33.97°NLon: 80.48°WElev: 243ft.

Fog/Mist

62°F

17°C

Humidity 97%
Wind Speed Calm
Barometer 30.15 in (1021.0 mb)
Dewpoint 62°F (17°C)
Visibility 0.75 mi
Last update 10 Jan 1:55 am EST
Extended Forecast for

Sumter SC

Lake Wind Advisory January 10, 10:00am until January 11, 07:00pm
Click here for hazard details and duration
Lake Wind Advisory

  • Overnight

    Overnight: Areas of fog. Otherwise, cloudy, with a low around 60. South wind 3 to 5 mph.

    Low: 60 °F

    Areas Fog

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 79. South wind 6 to 14 mph.

    High: 79 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A chance of rain, mainly before 1am. Mostly cloudy, with a low around 52. South wind 7 to 9 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance Rain

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 62. Northwest wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 62 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of fog. Otherwise, cloudy, with a low around 60. South wind 3 to 5 mph.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 79. South wind 6 to 14 mph.
Saturday Night
A chance of rain, mainly before 1am. Mostly cloudy, with a low around 52. South wind 7 to 9 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 62. Northwest wind 10 to 16 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 28. Northwest wind 5 to 8 mph becoming calm in the evening.
Monday
Sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
A chance of rain. Partly sunny, with a high near 51. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumter SC
 33.94°N 80.37°W (Elev. 180 ft)
Last Update:
12:42 am EST Jan 10, 2026
Forecast Valid:
2am EST Jan 10, 2026-6pm EST Jan 16, 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