Charleston weather live forecast

Today's maximum temperature in Charleston is expected to be 86°F. Select a day from the live weather forecast for Charleston, South Carolina, USA for more weather parameters.

Saturday
22nd Aug
86

79

6

6
Sunday
23rd Aug
90

77

8

8
Monday
24th Aug
93

77

7

8
Tuesday
25th Aug
88

79

7

7
Wednesday
26th Aug
86

77

6

7

5-day weather forecast updated at 04:00 on Saturday 22nd August 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 Saturday 22nd August 2026

Expect isolated thunderstorms in Charleston, South Carolina with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 59% chance of some rain and a light breeze of 6 mph from the south-west.

86
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
6
UV index (High)
59
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
6
mph wind from SW

Charleston weather for Sunday 23rd August 2026

Expect scattered clouds in Charleston, South Carolina with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the south-west.

90
°F maximum temperature
77
°F minimum temperature
scattered clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
6
mph wind from SW

Charleston weather for Monday 24th August 2026

Expect isolated thunderstorms in Charleston, South Carolina with a maximum temperature of 93°F, high levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 49% chance of some rain and a light breeze of 5 mph from the south-west.

93
°F maximum temperature
77
°F minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
49
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
5
mph wind from SW

Charleston weather for Tuesday 25th 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 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 59% chance of some rain and a light breeze of 4 mph from the south.

88
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
7
hours of sunshine
7
UV index (High)
59
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
4
mph wind from S

Charleston weather for Wednesday 26th 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 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 55% chance of some rain and a light breeze of 5 mph from the south.