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

57°F

14°C

Humidity 97%
Wind Speed Calm
Barometer 30.08 in (1018.7 mb)
Dewpoint 56°F (13°C)
Visibility 0.25 mi
Last update 9 Mar 7:55 am EDT
Extended Forecast for

Sumter SC

Dense Fog Advisory until March 9, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until March 9, 10:00am

    NOW until 10:00am Mon

    Dense Fog Advisory

  • Today

    High: 82 °F

    Areas Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 60. Calm wind.

    Low: 60 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A chance of rain, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 87. Light south wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 87 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.

    Low: 64 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Rain likely after 8am. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Today
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming west around 6 mph in the afternoon.
Tonight
Increasing clouds, with a low around 60. Calm wind.
Tuesday
A chance of rain, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Partly cloudy, with a low around 63. Calm wind.
Wednesday
Partly sunny, with a high near 87. Light south wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
A slight chance of rain after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.
Thursday
Rain likely after 8am. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Mostly sunny, with a high near 80.
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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:
2:38 am EDT Mar 9, 2026
Forecast Valid:
9am EDT Mar 9, 2026-6pm EDT Mar 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