Charleston weather live forecast

Today's maximum temperature in Charleston is expected to be 33°C. Select a day from the live weather forecast for Charleston, South Carolina, USA for more weather parameters.

Monday
10th Aug
33

25

5

9
Tuesday
11th Aug
34

26

8

9
Wednesday
12th Aug
34

27

11

8
Thursday
13th Aug
35

27

12

8
Friday
14th Aug
35

29

10

8

5-day weather forecast updated at 04:00 on Tuesday 11th 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 Monday 10th August 2026

Expect isolated thunderstorms in Charleston, South Carolina with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 47% chance of some rain and a light breeze of 8 kph from the south-west.

33
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
9
UV index (Very High)
47
% chance of some rain
<10
mm of rainfall expected
H
high heat & humidity
8
kph wind from SW

Charleston weather for Tuesday 11th August 2026

Expect isolated thunderstorms in Charleston, South Carolina with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 12% chance of some rain and a light breeze of 8 kph from the south-west.

34
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
9
UV index (Very High)
12
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
8
kph wind from SW

Charleston weather for Wednesday 12th August 2026

Expect isolated thunderstorms in Charleston, South Carolina with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 15% chance of some rain and a light breeze of 8 kph from the west.

34
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
11
hours of sunshine
8
UV index (Very High)
15
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
8
kph wind from W

Charleston weather for Thursday 13th August 2026

Expect clear skies in Charleston, South Carolina with a maximum temperature of 35°C, 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 8 kph from the south-west.

35
°C maximum temperature
27
°C minimum temperature
clear skies
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
8
kph wind from SW

Charleston weather for Friday 14th August 2026

Expect isolated thunderstorms in Charleston, South Carolina with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a light breeze of 10 kph from the south-west.