St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 25°C. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

Tuesday
21st Apr
25

15

13

8
Wednesday
22nd Apr
24

16

1

8
Thursday
23rd Apr
26

18

10

8
Friday
24th Apr
26

18

9

8
Saturday
25th Apr
28

20

11

8

5-day weather forecast updated at 04:02 on Tuesday 21st April 2026 GMT

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The 5-day weather forecast for Georgia (USA) (St Simons Island) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

St Simons Island weather forecast by day

Below are the detailed weather forecasts for St Simons Island for the next 5 days.

St Simons Island weather for Tuesday 21st April 2026

Expect clear skies in St Simons Island, Georgia (USA) with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the east.

25
°C maximum temperature
15
°C minimum temperature
clear skies
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from E

St Simons Island weather for Wednesday 22nd April 2026

Expect broken clouds in St Simons Island, Georgia (USA) with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-east.

24
°C maximum temperature
16
°C minimum temperature
broken clouds
1
hour of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from SE

St Simons Island weather for Thursday 23rd April 2026

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-east.

26
°C maximum temperature
18
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
17
kph wind from SE

St Simons Island weather for Friday 24th April 2026

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 26°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 gentle breeze of 17 kph from the south.

26
°C maximum temperature
18
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
17
kph wind from S

St Simons Island weather for Saturday 25th April 2026

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south.