Charleston weather live forecast

Today's maximum temperature in Charleston is expected to be 27°C. Select a day from the live weather forecast for Charleston, South Carolina, USA for more weather parameters.

Saturday
16th May
27

19

13

8
Sunday
17th May
27

22

5

6
Monday
18th May
28

22

9

8
Tuesday
19th May
28

22

9

9
Wednesday
20th May
28

21

9

8

5-day weather forecast updated at 04:00 on Saturday 16th May 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 16th May 2026

Expect clear skies in Charleston, South Carolina with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-east.

27
°C maximum temperature
19
°C minimum temperature
clear skies
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
9
kph wind from SE

Charleston weather for Sunday 17th May 2026

Expect broken clouds in Charleston, South Carolina with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south.

27
°C maximum temperature
22
°C minimum temperature
broken clouds
5
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
8
kph wind from S

Charleston weather for Monday 18th May 2026

Expect scattered clouds in Charleston, South Carolina with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-east.

28
°C maximum temperature
22
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
9
kph wind from SE

Charleston weather for Tuesday 19th May 2026

Expect scattered clouds in Charleston, South Carolina with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-east.