St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 22°C. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

Sunday
25th Jan
22

11

3

4
Monday
26th Jan
20

3

8

4
Tuesday
27th Jan
9

-1

11

4
Wednesday
28th Jan
11

0

4

4
Thursday
29th Jan
11

2

11

4

5-day weather forecast updated at 04:03 on Sunday 25th January 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 Sunday 25th January 2026

Expect mostly cloudy with light rain in St Simons Island, Georgia (USA) with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 21% chance of some rain and a moderate breeze of 22 kph from the south-west.

22
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
4
UV index (Moderate)
21
% chance of some rain
<2
mm of rainfall expected
22
°C wind chill
22
kph wind from SW

St Simons Island weather for Monday 26th January 2026

Expect sunshine and showers in St Simons Island, Georgia (USA) with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 15% chance of some rain and a moderate breeze of 22 kph from the north-west.

20
°C maximum temperature
3
°C minimum temperature
sunshine and showers
8
hours of sunshine
4
UV index (Moderate)
15
% chance of some rain
<2
mm of rainfall expected
20
°C wind chill
22
kph wind from NW

St Simons Island weather for Tuesday 27th January 2026

Expect clear skies in St Simons Island, Georgia (USA) with a maximum temperature of 9°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north-west.

9
°C maximum temperature
-1
°C minimum temperature
clear skies
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
6
°C wind chill
21
kph wind from NW

St Simons Island weather for Wednesday 28th January 2026

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 11°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the west.

11
°C maximum temperature
0
°C minimum temperature
scattered clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from W

St Simons Island weather for Thursday 29th January 2026

Expect clear skies in St Simons Island, Georgia (USA) with a maximum temperature of 11°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-west.