Charleston weather live forecast

Today's maximum temperature in Charleston is expected to be 91°F. Select a day from the live weather forecast for Charleston, South Carolina, USA for more weather parameters.

Thursday
30th Jul
91

81

12

8
Friday
31st Jul
90

79

12

9
Saturday
1st Aug
88

81

8

7
Sunday
2nd Aug
86

79

5

7
Monday
3rd Aug
86

79

5

8

5-day weather forecast updated at 04:00 on Thursday 30th July 2026 GMT

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The 5-day weather forecast for South Carolina (Charleston) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Charleston weather forecast by day

Below are the detailed weather forecasts for Charleston for the next 5 days.

Charleston weather for Thursday 30th July 2026

Expect scattered clouds in Charleston, South Carolina with a maximum temperature of 91°F, high levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the north.

91
°F maximum temperature
81
°F minimum temperature
scattered clouds
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
4
mph wind from N

Charleston weather for Friday 31st July 2026

Expect scattered clouds in Charleston, South Carolina with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the south-east.

90
°F maximum temperature
79
°F minimum temperature
scattered clouds
12
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
4
mph wind from SE

Charleston weather for Saturday 1st August 2026

Expect isolated thunderstorms in Charleston, South Carolina with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a light breeze of 7 mph from the south-east.

88
°F maximum temperature
81
°F minimum temperature
isolated thunderstorms
8
hours of sunshine
7
UV index (High)
42
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
7
mph wind from SE

Charleston weather for Sunday 2nd August 2026

Expect isolated thunderstorms in Charleston, South Carolina with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 85% chance of some rain and a gentle breeze of 9 mph from the south.

86
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
7
UV index (High)
85
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
9
mph wind from S

Charleston weather for Monday 3rd August 2026

Expect isolated thunderstorms in Charleston, South Carolina with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 89% chance of some rain and a light breeze of 7 mph from the south-west.