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.

Sunday
28th Dec
23

16

4

2
Monday
29th Dec
24

12

5

3
Tuesday
30th Dec
11

3

2

4
Wednesday
31st Dec
13

0

10

4
Thursday
1st Jan
14

3

10

3

5-day weather forecast updated at 04:04 on Saturday 27th 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 Sunday 28th December 2025

Expect sunshine and showers in St Simons Island, Georgia (USA) with a maximum temperature of 23°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 11% chance of some rain and a light breeze of 11 kph from the south-east.

23
°C maximum temperature
16
°C minimum temperature
sunshine and showers
4
hours of sunshine
2
UV index (Low)
11
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
11
kph wind from SE

St Simons Island weather for Monday 29th December 2025

Expect broken clouds in St Simons Island, Georgia (USA) with a maximum temperature of 24°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-west.

24
°C maximum temperature
12
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
24
°C wind chill
22
kph wind from SW

St Simons Island weather for Tuesday 30th December 2025

Expect broken clouds in St Simons Island, Georgia (USA) with a maximum temperature of 11°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north-west.

11
°C maximum temperature
3
°C minimum temperature
broken clouds
2
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
11
°C wind chill
22
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 13°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the west.

13
°C maximum temperature
0
°C minimum temperature
clear skies
10
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
13
°C wind chill
14
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 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 15 kph from the west.