Charleston weather live forecast

Today's maximum temperature in Charleston is expected to be 29°C. Select a day from the live weather forecast for Charleston, South Carolina, USA for more weather parameters.

Tuesday
4th Aug
29

24

7

4
Wednesday
5th Aug
29

26

7

6
Thursday
6th Aug
29

27

6

9
Friday
7th Aug
30

26

6

9
Saturday
8th Aug
29

26

6

10

5-day weather forecast updated at 04:00 on Tuesday 4th 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 Tuesday 4th August 2026

Expect isolated thunderstorms in Charleston, South Carolina with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 77% chance of some rain and a light breeze of 9 kph from the south.

29
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
4
UV index (Moderate)
77
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from S

Charleston weather for Wednesday 5th August 2026

Expect broken clouds in Charleston, South Carolina with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south.

29
°C maximum temperature
26
°C minimum temperature
broken clouds
7
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from S

Charleston weather for Thursday 6th August 2026

Expect isolated thunderstorms in Charleston, South Carolina with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 80% chance of some rain and a light breeze of 8 kph from the south.

29
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
80
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
8
kph wind from S

Charleston weather for Friday 7th August 2026

Expect isolated thunderstorms in Charleston, South Carolina with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 61% chance of some rain and a light breeze of 9 kph from the south-east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
61
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from SE

Charleston weather for Saturday 8th August 2026

Expect isolated thunderstorms in Charleston, South Carolina with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 71% chance of some rain and little or no wind of 6 kph from the south-east.