St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 11°C. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

Tuesday
30th Dec
11

4

8

3
Wednesday
31st Dec
14

3

10

3
Thursday
1st Jan
18

4

10

3
Friday
2nd Jan
19

7

2

3
Saturday
3rd Jan
21

13

2

2

5-day weather forecast updated at 04:03 on Tuesday 30th December 2025 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 30th December 2025

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-west.

11
°C maximum temperature
4
°C minimum temperature
scattered clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
20
kph wind from NW

St Simons Island weather for Wednesday 31st December 2025

Expect clear skies in St Simons Island, Georgia (USA) with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the west.

14
°C maximum temperature
3
°C minimum temperature
clear skies
10
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
14
°C wind chill
16
kph wind from W

St Simons Island weather for Thursday 1st January 2026

Expect clear skies in St Simons Island, Georgia (USA) with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the west.

18
°C maximum temperature
4
°C minimum temperature
clear skies
10
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
16
kph wind from W

St Simons Island weather for Friday 2nd January 2026

Expect broken clouds in St Simons Island, Georgia (USA) with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-west.

19
°C maximum temperature
7
°C minimum temperature
broken clouds
2
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
12
kph wind from SW

St Simons Island weather for Saturday 3rd January 2026

Expect mostly cloudy with rain in St Simons Island, Georgia (USA) with a maximum temperature of 21°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 78% chance of some rain and a moderate breeze of 20 kph from the south-west.