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Heat dome to bring 90 to 100-degree temps. See when the heat will peak. Chevron right

Charleston, IL

85°F
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Charleston

Illinois

85°
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Charleston, IL Weather
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8 PM

84°
RealFeel® 97°
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.
LEARN MORE
rain drop 7%
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Mostly sunny

RealFeel Shade™97°

Heat Index97°

WindSE 7 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts13 mph

Humidity86%

Indoor Humidity86% (Dangerously Humid)

Dew Point80° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover14%

Visibility10 mi

Cloud Ceiling33000 ft

9 PM

82°
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.
LEARN MORE
rain drop 7%
Chevron down
Mostly clear

Heat Index91°

WindSE 7 mph

Air QualityFair

Wind Gusts12 mph

Humidity90%

Indoor Humidity90% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

79°
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.
LEARN MORE
rain drop 7%
Chevron down
Mostly clear

Heat Index84°

WindSE 6 mph

Air QualityFair

Wind Gusts10 mph

Humidity95%

Indoor Humidity95% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

78°
RealFeel® 87°
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.
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rain drop 7%
Chevron down
Mostly clear

Heat Index80°

WindSE 6 mph

Air QualityFair

Wind Gusts10 mph

Humidity92%

Indoor Humidity92% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Charleston

AccuWeather's hourly forecast for Charleston provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 84° with a RealFeel® of 97°, mostly sunny with a 7% 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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  • Champaign, IL
  • Decatur, IL
  • Springfield, IL
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