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.

Wednesday
30th Sep
29

24

9

7
Thursday
1st Oct
28

24

6

8
Friday
2nd Oct
29

25

6

8
Saturday
3rd Oct
29

25

6

7
Sunday
4th Oct
29

24

8

8

5-day weather forecast updated at 04:03 on Wednesday 30th September 2026 GMT

More about St Simons Island

St Simons Island by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Georgia

Virgin Atlantic: Worldwide flights sale now on

Sale

Book Virgin Atlantic flights from Heathrow & Manchester
Fly to popular destinations in the USA, Caribbean & beyond
Travel before 31st August 2027 (inclusive)

Go to Virgin Atlantic deal >>

Expires at 23:59 on Wednesday 30th Sep 2026 · View all Virgin Atlantic offers

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 Wednesday 30th September 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 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the east.

29
°C maximum temperature
24
°C minimum temperature
scattered clouds
9
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from E

St Simons Island weather for Thursday 1st October 2026

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 28°C, moderate 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 gentle breeze of 17 kph from the east.

28
°C maximum temperature
24
°C minimum temperature
scattered clouds
6
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from E

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 8 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 48% chance of some rain and a gentle breeze of 15 kph from the south-east.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
48
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
15
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 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 15 kph from the south-east.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
7
UV index (High)
53
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
15
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 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 5-10 mm of rainfall expected with 67% chance of some rain and a light breeze of 12 kph from the south-east.