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Daily risk for severe t-storms across the Plains and Midwest this week. Get the forecast.

Sumter, SC

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Sumter, SC Weather

Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Hourly

10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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4 PM

90°

RealFeel® 94°

Hot

RealFeel Guide

Hot

90° to 100°

Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.

0%

Intermittent clouds

RealFeel Shade™89°

Heat Index92°

WindSW 7 mph

Air QualityFair

Max UV Index4.0 (Moderate)

Wind Gusts14 mph

Humidity42%

Indoor Humidity42% (Humid)

Dew Point64° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover61%

Visibility10 mi

Cloud Ceiling20000 ft

5 PM

89°

RealFeel® 92°

Hot

RealFeel Guide

Hot

90° to 100°

Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.

0%

Intermittent clouds

RealFeel Shade™88°

Heat Index91°

WindSW 7 mph

Air QualityFair

Max UV Index3.0 (Moderate)

Wind Gusts16 mph

Humidity43%

Indoor Humidity43% (Humid)

Dew Point64° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover52%

Visibility10 mi

Cloud Ceiling20000 ft

6 PM

88°

RealFeel® 90°

Hot

RealFeel Guide

Hot

90° to 100°

Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.

0%

Partly sunny

RealFeel Shade™87°

Heat Index89°

WindSW 7 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts13 mph

Humidity46%

Indoor Humidity46% (Humid)

Dew Point65° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

86°

RealFeel® 88°

Very Warm

RealFeel Guide

Very Warm

82° to 89°

Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.

0%

Intermittent clouds

RealFeel Shade™86°

Heat Index88°

WindSW 6 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts9 mph

Humidity51%

Indoor Humidity51% (Humid)

Dew Point66° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover52%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

83°

RealFeel® 85°

Very Warm

RealFeel Guide

Very Warm

82° to 89°

Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.

0%

Intermittent clouds

RealFeel Shade™85°

Heat Index86°

WindSW 5 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts5 mph

Humidity60%

Indoor Humidity60% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

80°

RealFeel® 82°

Very Warm

RealFeel Guide

Very Warm

82° to 89°

Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.

0%

Intermittent clouds

Heat Index83°

WindSW 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity67%

Indoor Humidity67% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover59%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

77°

RealFeel® 79°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Partly cloudy

WindSSW 5 mph

Air QualityFair

Wind Gusts7 mph

Humidity74%

Indoor Humidity74% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover42%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

74°

RealFeel® 76°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly clear

WindSSW 5 mph

Air QualityFair

Wind Gusts7 mph

Humidity79%

Indoor Humidity79% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Sumter

AccuWeather's hourly forecast for Sumter provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 90° with a RealFeel® of 94°, intermittent clouds with a 0% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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