Charleston weather live forecast

Today's maximum temperature in Charleston is expected to be 31°C. Select a day from the live weather forecast for Charleston, South Carolina, USA for more weather parameters.

Friday
4th Sep
31

27

8

6
Saturday
5th Sep
31

26

7

9
Sunday
6th Sep
31

25

5

7
Monday
7th Sep
28

24

6

6
Tuesday
8th Sep
29

24

6

9

5-day weather forecast updated at 04:00 on Friday 4th September 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 Friday 4th September 2026

Expect isolated thunderstorms in Charleston, South Carolina with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a light breeze of 9 kph from the south.

31
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
6
UV index (High)
34
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from S

Charleston weather for Saturday 5th September 2026

Expect scattered clouds in Charleston, South Carolina with a maximum temperature of 31°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.

31
°C maximum temperature
26
°C minimum temperature
scattered clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from SW

Charleston weather for Sunday 6th September 2026

Expect isolated thunderstorms in Charleston, South Carolina with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 74% chance of some rain and a light breeze of 7 kph from the west.

31
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
7
UV index (High)
74
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
7
kph wind from W

Charleston weather for Monday 7th September 2026

Expect isolated thunderstorms in Charleston, South Carolina with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 15 kph from the north-east.

28
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
6
UV index (High)
53
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from NE

Charleston weather for Tuesday 8th September 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 2-5 mm of rainfall expected with 40% chance of some rain and a gentle breeze of 13 kph from the east.