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September 19th, 2025 :: 12:34 am EDT   

Local Weather Report for
Sumter
South Carolina, United States

 Current Sumter Weather Conditions Updated September 18th at 10:55 pm 
Temperature:72°F Dew Point:64°F
Barometer:30.01 inHg Wind:calm
Humidity:78.1% Visibility:0M
 
 Sumter Weather Forecast Summary  
 
Today
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Monday
Sep 22nd
Tuesday
Sep 23rd
Mostly Sunny Mix of Cloud and Sun Cloudy Cloudy Cloudy
91°F
89°F
66°F
89°F
65°F
86°F
65°F
85°F
68°F
 
 Sumter Detailed Weather Forecast  
 
Friday, September 19th, 2025
Overnight Temperature: 69°F
Clear.
Morning Temperature: 88°F
Sunny with cloudy periods. Slight chance of a thunderstorm.
Afternoon Temperature: 81°F
A mix of cloud and sun.
Evening Temperature: 70°F
A mix of cloudy and clear skies.
Saturday, September 20th, 2025
Overnight Temperature: 68°F
Clear with cloudy periods with a chance of showers.
Morning Temperature: 82°F
A mix of cloud and sun. Chance of a thunderstorm.
Afternoon Temperature: 81°F
A mix of cloud and sun. Slight chance of a thunderstorm.
Evening Temperature: 68°F
A mix of clear and cloudy skies with a chance of showers.
Sunday, September 21st, 2025
Overnight Temperature: 65°F
Clear.
Morning Temperature: 84°F
Sunny. Windy at times.
Afternoon Temperature: 83°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 71°F
Cloudy.
Monday, September 22nd, 2025
Overnight Temperature: 66°F
Cloudy. Windy at times.
Morning Temperature: 77°F
Cloudy. Windy at times.
Afternoon Temperature: 82°F
Cloudy.
Evening Temperature: 71°F
Cloudy.
Tuesday, September 23rd, 2025
Overnight Temperature: 69°F
Cloudy.
Morning Temperature: 83°F
Cloudy. Chance of a thunderstorm.
Afternoon Temperature: 78°F
Cloudy with a chance of showers or thundershowers.
Evening Temperature: 73°F
Cloudy with a chance of showers or thundershowers.
Wednesday, September 24th, 2025
Overnight Temperature: 71°F
Cloudy with a few showers. Chance of a thunderstorm.
Morning Temperature: 81°F
A mix of cloud and sun with a chance of showers or thundershowers.
Afternoon Temperature: 81°F
Sunny with cloudy periods with a chance of showers or thundershowers.
Evening Temperature: 70°F
Clear with a slight chance of showers.
Thursday, September 25th, 2025
Overnight Temperature: 69°F
Clear with cloudy periods with a slight chance of showers.
Morning Temperature: 85°F
Mostly sunny. Chance of a thunderstorm.
Afternoon Temperature: 81°F
Sunny with cloudy periods with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 71°F
Clear with showers likely. Slight chance of a thunderstorm.
Friday, September 26th, 2025
Overnight Temperature: 72°F
Cloudy. Slight chance of a thunderstorm.
Morning Temperature: 88°F
Cloudy. Chance of a thunderstorm.
Afternoon Temperature: 81°F
Cloudy with a chance of showers or thundershowers.
Evening Temperature: 72°F
A mix of cloudy and clear skies with a chance of showers. Slight chance of a thunderstorm.





 

  [ Local Weather Report ]
Greenwood, SC 
10:55 PM  66°F
 
 
Paxville, SC 
 
Camden, SC 
10:55 PM  72°F
 
 
Elgin, SC 
 
Manning, SC 
10:55 PM  72°F
 
 
Lamar, SC 
 
Arcadia Lakes, SC 
 
Cameron, SC 
 
Timmonsville, SC 
 
Blythewood, SC 
10:55 PM  72°F
 

This WeatherCity Weather Forecast for Sumter, South Carolina, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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