St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 27°C. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

Thursday
8th Oct
27

24

3

4
Friday
9th Oct
27

24

1

2
Saturday
10th Oct
28

24

5

2
Sunday
11th Oct
29

24

5

6
Monday
12th Oct
29

22

7

7

5-day weather forecast updated at 04:02 on Thursday 8th October 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 Thursday 8th October 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a moderate breeze of 20 kph from the north-east.

27
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
4
UV index (Moderate)
36
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
20
kph wind from NE

St Simons Island weather for Friday 9th October 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 89% chance of some rain and a moderate breeze of 27 kph from the north-east.

27
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
2
UV index (Low)
89
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
27
kph wind from NE

St Simons Island weather for Saturday 10th October 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 20-30 mm of rainfall expected with 95% chance of some rain and a moderate breeze of 25 kph from the east.

28
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
2
UV index (Low)
95
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
25
kph wind from E

St Simons Island weather for Sunday 11th October 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 18 kph from the south.

29
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
6
UV index (High)
70
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
18
kph wind from S

St Simons Island weather for Monday 12th October 2026

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the west.