St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 28°C. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

Sunday
4th Oct
28

24

2

4
Monday
5th Oct
25

23

0

6
Tuesday
6th Oct
26

23

2

4
Wednesday
7th Oct
26

23

1

3
Thursday
8th Oct
27

22

1

7

5-day weather forecast updated at 04:02 on Sunday 4th 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 Sunday 4th 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 4 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a light breeze of 11 kph from the south-east.

28
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
4
UV index (Moderate)
99
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from SE

St Simons Island weather for Monday 5th October 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 25°C, low levels of heat & humidity, maximum UV of 6 (High) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 88% chance of some rain and a gentle breeze of 14 kph from the north-east.

25
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
6
UV index (High)
88
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
14
kph wind from NE

St Simons Island weather for Tuesday 6th October 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 96% chance of some rain and a moderate breeze of 27 kph from the north-east.

26
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
4
UV index (Moderate)
96
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
27
kph wind from NE

St Simons Island weather for Wednesday 7th October 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 76% chance of some rain and a moderate breeze of 25 kph from the north-east.

26
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
3
UV index (Moderate)
76
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
25
kph wind from NE

St Simons Island weather for Thursday 8th October 2026

Expect overcast skies in St Simons Island, Georgia (USA) with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the north-east.