St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 29°C. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

Friday
2nd Oct
29

25

5

7
Saturday
3rd Oct
27

25

5

3
Sunday
4th Oct
28

24

0

4
Monday
5th Oct
27

23

1

4
Tuesday
6th Oct
26

22

2

1

5-day weather forecast updated at 04:02 on Friday 2nd 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 Friday 2nd 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 7 (High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 61% chance of some rain and a gentle breeze of 13 kph from the south-east.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
7
UV index (High)
61
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from SE

St Simons Island weather for Saturday 3rd 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 3 (Moderate) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 77% chance of some rain and a light breeze of 12 kph from the south-east.

27
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
3
UV index (Moderate)
77
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
12
kph wind from SE

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 no hours of bright sunshine. There are 10-20 mm of rainfall expected with 85% 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
0
hours of sunshine
4
UV index (Moderate)
85
% 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 27°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 87% chance of some rain and a gentle breeze of 15 kph from the north-east.

27
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
4
UV index (Moderate)
87
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
15
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 1 (Low) and 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 74% chance of some rain and a fresh breeze of 31 kph from the north-east.