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Charleston, SC

81°F
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Charleston

South Carolina

81°
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Charleston, SC Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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8 AM

82°
RealFeel® 93°
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 sunny

RealFeel Shade™89°

Heat Index90°

WindWSW 8 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts10 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

85°
RealFeel® 98°
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 sunny

RealFeel Shade™93°

Heat Index96°

WindWSW 8 mph

Air QualityFair

Max UV Index3.3 (Moderate)

Wind Gusts12 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

88°
RealFeel® 103°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 6%
Chevron down
Mostly sunny

RealFeel Shade™96°

Heat Index100°

WindWSW 8 mph

Air QualityFair

Max UV Index4.9 (Moderate)

Wind Gusts13 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

91°
RealFeel® 106°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 5%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

11:00 AM Wednesday - 7:00 PM Wednesday

RealFeel Shade™98°

Heat Index104°

WindSW 8 mph

Air QualityFair

Max UV Index7.9 (Very High)

Wind Gusts13 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

92°
RealFeel® 108°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
Caution advised. 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 5%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

11:00 AM Wednesday - 7:00 PM Wednesday

RealFeel Shade™99°

Heat Index106°

WindSW 9 mph

Air QualityFair

Max UV Index10.8 (Extreme)

Wind Gusts15 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

93°
RealFeel® 109°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
Caution advised. 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 8%
Chevron down
Partly sunny
alerts

Extreme Heat Warning

11:00 AM Wednesday - 7:00 PM Wednesday

RealFeel Shade™99°

Heat Index106°

WindSSW 10 mph

Air QualityFair

Max UV Index11.6 (Extreme)

Wind Gusts18 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

94°
RealFeel® 108°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
Caution advised. 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 43%
Chevron down
Mostly cloudy
alerts

Extreme Heat Warning

11:00 AM Wednesday - 7:00 PM Wednesday

RealFeel Shade™101°

Heat Index108°

WindSSW 13 mph

Air QualityFair

Max UV Index8.4 (Very High)

Wind Gusts22 mph

Humidity57%

Indoor Humidity57% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

93°
RealFeel® 105°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 47%
Chevron down
Mostly cloudy
alerts

Extreme Heat Warning

11:00 AM Wednesday - 7:00 PM Wednesday

RealFeel Shade™100°

Heat Index107°

WindSSW 14 mph

Air QualityFair

Max UV Index6.2 (High)

Wind Gusts23 mph

Humidity60%

Indoor Humidity60% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

91°
RealFeel® 98°
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 51%
Chevron down
Thunderstorms
alerts

Extreme Heat Warning

11:00 AM Wednesday - 7:00 PM Wednesday

RealFeel Shade™97°

Heat Index107°

WindSSW 15 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts25 mph

Humidity66%

Indoor Humidity66% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Rain0.05 in

Visibility5 mi

Cloud Ceiling4000 ft

5 PM

91°
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 19%
Chevron down
Mostly cloudy
alerts

Extreme Heat Warning

11:00 AM Wednesday - 7:00 PM Wednesday

RealFeel Shade™98°

Heat Index106°

WindSSW 16 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts27 mph

Humidity65%

Indoor Humidity65% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

91°
RealFeel® 100°
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 15%
Chevron down
Mostly cloudy
alerts

Extreme Heat Warning

11:00 AM Wednesday - 7:00 PM Wednesday

RealFeel Shade™98°

Heat Index105°

WindSSW 15 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts27 mph

Humidity67%

Indoor Humidity67% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

89°
RealFeel® 99°
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 19%
Chevron down
Mostly cloudy

RealFeel Shade™99°

Heat Index103°

WindSSW 15 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts25 mph

Humidity70%

Indoor Humidity70% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

87°
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 47%
Chevron down
Mostly sunny

RealFeel Shade™97°

Heat Index101°

WindSSW 13 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts22 mph

Humidity75%

Indoor Humidity75% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

86°
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 51%
Chevron down
Partly cloudy w/ t-storms

Heat Index99°

WindSSW 12 mph

Air QualityFair

Wind Gusts21 mph

Humidity81%

Indoor Humidity81% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover16%

Rain0.05 in

Visibility5 mi

Cloud Ceiling30000 ft

10 PM

85°
RealFeel® 96°
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 47%
Chevron down
Mostly clear

Heat Index98°

WindSW 10 mph

Air QualityFair

Wind Gusts18 mph

Humidity82%

Indoor Humidity82% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover13%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

85°
RealFeel® 96°
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 34%
Chevron down
Mostly clear

Heat Index97°

WindSW 10 mph

Air QualityFair

Wind Gusts17 mph

Humidity83%

Indoor Humidity83% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover12%

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 82° with a RealFeel® of 93°, 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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