How is the weather in Sumter, SC?

At 9:20 PM on Fri, Sep 19, 2025 it is clear and 78 degrees Fahrenheit, feeling like 78 degrees.

Sumter, SC Weather Forecast and Current Conditions (29150)

78°F
Feels Like 78°F

Humidity 74% Dew Point 69°F Wind SSW 3 MPH Gusts 4 Barometer 30.05 in.763.3 mm

Solar Rad 0 w/m2

Report from 0.1 miles NE of central Sumter at 9:20 PM Fri, Sep 19, 2025

Current Weather

78°F
Feels Like 78°F

Humidity 74% Dew Point 69°F Wind SSW 3 MPH Gusts 4 Barometer 30.05 in.763.3 mm

Solar Rad 0 w/m2

Report from 0.1 miles NE of central Sumter at 9:20 PM Fri, Sep 19, 2025

Forecast at a Glance

FriSep 19

10%

66°

SatSep 20

89°

64°

SunSep 21

87°

64°

MonSep 22

87°

65°

TueSep 23

10%

90°

68°

WedSep 24

20%

91°

70°

ThuSep 25

40%

85°

68°

This Date in Weather History

1988 - Thunderstorms developing along a fast moving cold front produced severe weather in Wisconsin, Illinois, Indiana and Michigan. Eight tornadoes were reported, including five in Indiana. Thunderstorm winds gusted to 74 mph at Wabash IND. Winds associated with the cold front itself gusted to 69 mph at Kenosha WI.

Sumter 7 Day Weather Forecast Details

Friday Sep 19

Night: Patchy fog after 4am. Mostly clear, with a low around 66. South wind around 2 mph.

Saturday Sep 20

Day: Areas of fog before 9am. Sunny, with a high near 89. North wind 1 to 5 mph.

Night: A slight chance of showers and thunderstorms after 2pm. Clear, with a low around 64. East wind around 5 mph.

Sunday Sep 21

Day: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 87. Northeast wind 3 to 7 mph.

Night: A slight chance of showers and thunderstorms after 2pm. Partly cloudy, with a low around 64. Northeast wind around 5 mph.

Monday Sep 22

Day: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.

Night: A slight chance of showers and thunderstorms after 2pm. Partly cloudy, with a low around 65.

Tuesday Sep 23

Day: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 90.

Night: A slight chance of showers and thunderstorms after 2pm. Mostly clear, with a low around 68.

Wednesday Sep 24

Day: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91.

Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

Thursday Sep 25

Day: A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.

Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.

Friday Sep 26

Day: A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82.

Sun & Moon Monthly

First Light 6:43 AM

Sunrise 7:08 AM

Sunset 7:24 PM

Last Light 7:49 PM

Moonrise 4:58 AM

Moonset 6:29 PM

Moon Phase

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