Charleston weather live forecast

Today's maximum temperature in Charleston is expected to be 30°C. Select a day from the live weather forecast for Charleston, South Carolina, USA for more weather parameters.

Friday
7th Aug
30

26

8

8
Saturday
8th Aug
28

25

5

8
Sunday
9th Aug
30

25

7

9
Monday
10th Aug
31

27

8

8
Tuesday
11th Aug
32

26

7

10

5-day weather forecast updated at 04:00 on Friday 7th 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 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 8 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% 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
8
hours of sunshine
8
UV index (Very High)
44
% 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 28°C, low 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 80% chance of some rain and little or no wind of 6 kph from the south-east.

28
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
8
UV index (Very High)
80
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
6
kph wind from SE

Charleston weather for Sunday 9th 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 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 71% chance of some rain and a light breeze of 7 kph from the south.

30
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
9
UV index (Very High)
71
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
7
kph wind from S

Charleston weather for Monday 10th August 2026

Expect scattered clouds in Charleston, South Carolina with a maximum temperature of 31°C, 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 little or no wind of 6 kph from the south-west.

31
°C maximum temperature
27
°C minimum temperature
scattered clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
6
kph wind from SW

Charleston weather for Tuesday 11th August 2026

Expect isolated thunderstorms in Charleston, South Carolina with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 51% chance of some rain and a light breeze of 7 kph from the south-west.