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.

Overcast

56°F

13°C

Humidity 94%
Wind Speed NE 5 mph
Barometer 30.19 in (1022.4 mb)
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 9 Jan 2:55 am EST
Extended Forecast for

Sumter SC

  • Overnight

    Overnight: Patchy fog. Otherwise, cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 76. Calm wind becoming south around 6 mph in the afternoon.

    High: 76 °F

    Areas Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: A slight chance of rain. Mostly cloudy, with a low around 60. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A slight chance of rain after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 79. South wind 6 to 14 mph. Chance of precipitation is 20%.

    High: 79 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 54. Southwest wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Rain Likely

  • Sunday

    Sunday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, cloudy, with a low around 53. Calm wind.
Friday
Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 76. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 60. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 20%.
Saturday
A slight chance of rain after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 79. South wind 6 to 14 mph. Chance of precipitation is 20%.
Saturday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 54. Southwest wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 27.
Monday
Sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
A chance of rain. Mostly cloudy, with a high near 56. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Partly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumter SC
 33.94°N 80.4°W (Elev. 154 ft)
Last Update:
5:40 pm EST Jan 8, 2026
Forecast Valid:
3am EST Jan 9, 2026-6pm EST Jan 15, 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