Charleston weather live forecast

Today's maximum temperature in Charleston is expected to be 28°C. Select a day from the live weather forecast for Charleston, South Carolina, USA for more weather parameters.

Friday
22nd May
28

24

8

UV10
Saturday
23rd May
27

25

6

UV8
Sunday
24th May
27

24

6

UV4
Monday
25th May
27

24

7

UV10
Tuesday
26th May
27

25

6

UV10

5-day weather forecast updated at 04:00 on Friday 22nd 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 Friday 22nd May 2026

Expect isolated thunderstorms in Charleston, South Carolina with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a light breeze of 11 kph from the south.

28
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
UV10
UV index (Very High)
33
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
11
kph wind from S

Charleston weather for Saturday 23rd May 2026

Expect broken clouds in Charleston, South Carolina with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south.

27
°C maximum temperature
25
°C minimum temperature
broken clouds
6
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
9
kph wind from S

Charleston weather for Sunday 24th May 2026

Expect isolated thunderstorms in Charleston, South Carolina with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 75% chance of some rain and a light breeze of 8 kph from the south.

27
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
UV4
UV index (Moderate)
75
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
8
kph wind from S

Charleston weather for Monday 25th May 2026

Expect isolated thunderstorms in Charleston, South Carolina with a maximum temperature of 27°C, low 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 64% chance of some rain and a light breeze of 10 kph from the south.

27
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
UV10
UV index (Very High)
64
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
10
kph wind from S

Charleston weather for Tuesday 26th May 2026

Expect isolated thunderstorms in Charleston, South Carolina with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 55% chance of some rain and a light breeze of 10 kph from the south.