Sumter, SC Weather

Updated: Tue Jun 17th 2025 8:00 PM EDT

Sunny

88^°F 31^°C

Feels Like 102^°F / 39^°C

Sumter, SC weather condition is Sunny and 88°F.

Today's Weather in Sumter,SC

The current weather in Sumter SC as of 8:00 PM EDT on Tue Jun 17th 2025, has a sky condition of Sunny with the visibility of 8 mile(s) and the UV index at 0.1. It is 88 degrees fahrenheit but feels like 102 degrees. The barometric pressure is 30 - measured by inches of mercury - and is rising since its last observation. The humidity is 66 percent that's falling since the last report, with a dew point of 73 degrees fahrenheit which is falling. Wind direction is from the Southwest at 6.7 miles per hour, gusting at 12.8 miles per hour. Sunrise was at 6:10 AM and Sunset was at 8:35 PM. The moon phase is a Waning Gibbous moon rising at 12:41 AM. Thank you for listening to the weather report from LocalConditions.com!

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Barometer 30 inHg. rising
Humidity 66% falling
Heat Index 90°F
Wind from SW. 6.7 mph
Wind Gust 12.8 miles per hour
Wind Chill 83°F
UV Index 0.1

Dew Point 73°F falling
Visibility 8 mi.
Sunrise 6:10 AM
Sunset 8:35 PM
Moonrise 12:41 AM
Moonset 12:11 PM
Moon Phase Waning Gibbous Moon

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Radar Alerts Next 48 Hours Traffic

Hourly Forecast - Next 8 hours

5 Day Forecast

Sunny

Sunny with a high of 96°F and a low of 75°F. Winds will be moderate, blowing around 13mph. The humidity will be on the higher side, reaching around 69%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 96° \| Lo 75°	69%	0%	0%	12.8 mph

Patchy Rain Nearby

Patchy Rain Nearby with a high of 93°F and a low of 75°F. Probable rainfall forecasted, having an 88% chance with an estimated 0.19in. Winds will be moderate, blowing around 17mph. The humidity will be on the higher side, reaching around 67%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 93° \| Lo 75°	67%	88% \| est. 0.19in	0%	16.1 mph

Moderate Rain

Moderate Rain with a high of 93°F and a low of 74°F. Probable rainfall forecasted, having an 87% chance with an estimated 0.27in. Winds will be light at 9mph at times. The humidity will be on the higher side, reaching around 70%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 93° \| Lo 74°	70%	87% \| est. 0.27in	0%	8.9 mph

Patchy Rain Nearby

Patchy Rain Nearby with a high of 94°F and a low of 73°F. Probable rainfall forecasted, having a 77% chance with an estimated 0in. Winds will be moderate, blowing around 11mph. The humidity will be on the higher side, reaching around 66%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 94° \| Lo 73°	66%	77% \| est. 0in	0%	10.1 mph

Sunny

Sunny with a high of 96°F and a low of 72°F. Winds will be light at 9mph at times. The humidity will be on the higher side, reaching around 71%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 96° \| Lo 72°	71%	0% \| est. 0in	0%	8.3 mph

Yesterday Tomorrow 5-Day

Weather Radar Map

Live Sumter, SC weather with granular precipitation, radar, barometric pressure, temperatures and wind speeds for today thru Saturday, as you toggle through each map layer. Use the slider to move forward and back in time to view how current data and forecasts will affect the region; you can press or click on the map to show metrics available for each tab. The related timestamp is located above the Play button which will animate the weather forecast.

Hourly Temperature

The current temperature today is 88^°F. The morning temperature of 76°^F is lowest at 5am with the daytime high of 90°^F at 12pm and a low around 80°^F at 11pm is expected.