St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 23°C. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

Tuesday
20th Oct
23

12

11

6
Wednesday
21st Oct
22

15

11

6
Thursday
22nd Oct
24

13

11

6
Friday
23rd Oct
23

14

9

5
Saturday
24th Oct
21

17

4

4

5-day weather forecast updated at 04:02 on Tuesday 20th 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 Tuesday 20th October 2026

Expect clear skies in St Simons Island, Georgia (USA) with a maximum temperature of 23°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north.

23
°C maximum temperature
12
°C minimum temperature
clear skies
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
23
°C wind chill
18
kph wind from N

St Simons Island weather for Wednesday 21st October 2026

Expect clear skies in St Simons Island, Georgia (USA) with a maximum temperature of 22°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north.

22
°C maximum temperature
15
°C minimum temperature
clear skies
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from N

St Simons Island weather for Thursday 22nd October 2026

Expect clear skies in St Simons Island, Georgia (USA) with a maximum temperature of 24°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-east.

24
°C maximum temperature
13
°C minimum temperature
clear skies
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
24
°C wind chill
15
kph wind from NE

St Simons Island weather for Friday 23rd October 2026

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north-east.

23
°C maximum temperature
14
°C minimum temperature
scattered clouds
9
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
23
°C wind chill
22
kph wind from NE

St Simons Island weather for Saturday 24th October 2026

Expect mostly cloudy with light rain in St Simons Island, Georgia (USA) with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a fresh breeze of 30 kph from the north-east.