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Sumter, South Carolina Weather Forecast
Sumter, South Carolina Weather
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Weather Forecast for Sumter, South Carolina : Sumter County
Issued: 6:48 am EST Dec 16, 2025 Latitude: 33.9204354 Longitude: -80.3414693 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Sunny on Today Mostly Clear on Tonight Partly Sunny on Wednesday 60% chance of rain on Thursday Sunny on Friday Sunny on Saturday Sunny on Sunday Mostly Sunny on Monday
High: 52°F Low: 30°F High: 60°F High: 65°F High: 60°F High: 58°F High: 66°F High: 61°F
Low: 42°F Low: 51°F Low: 32°F Low: 39°F Low: 42°F  
Sunny Mostly Clear Partly Sunny Rain Sunny Sunny Sunny Mostly Sunny
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Current Conditions at
SUMTER/SHAW AFB - (KSSC)
41°
Clear
as of 9:55 AM EST
Rel. Humidity: 25%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.30 in.
Flight Rule: VFR
Wind Data
7 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
MCENTIRE ANGB - (KMMT)
39°
Clear
as of 9:55 AM EST
Rel. Humidity: 35%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
5 MPH
230° Southwest
Cloud Level(s): Clear
Current Conditions at
COLUMBIA-OWENS ARPT - (KCUB)
36°
Clear
as of 9:53 AM EST
Rel. Humidity: 43%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.33 in.
Flight Rule: VFR
Wind Data
5 MPH
260° West
Cloud Level(s): Clear
Current Conditions at
ORANGEBURG - (KOGB)
37°
Clear
as of 9:53 AM EST
Rel. Humidity: 40%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
5 MPH
220° Southwest
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 52. Calm wind.

Mostly Clear on Tonight Tonight... Mostly clear, with a low around 30. Calm wind.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 60. Calm wind becoming southwest around 6 mph.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 42. Calm wind.

60% chance of rain Thursday Thursday... Rain likely, mainly after 1pm. Mostly cloudy, with a high near 65. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

70% chance of rain Thursday Night Thursday Night... Rain likely, mainly after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunny on Friday Friday... Sunny, with a high near 60.

Clear on Friday Night Friday Night... Clear, with a low around 32.

Sunny on Saturday Saturday... Sunny, with a high near 58.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 39.

Sunny on Sunday Sunday... Sunny, with a high near 66.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 42.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 61.

Current Radar Image


Sun Almanac for Sumter, South Carolina
Sunrise: 07:20 AM
Sunset: 5:14 PM
Civil Sunrise:06:52 AM
Civil Sunset: 5:42 PM
Nautical Sunrise: 06:21 AM
Nautical Sunset: 6:13 PM
Astro Sunrise: 05:51 AM
Astro Sunset: 6:44 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.