St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 15°C. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

Sunday
4th Jan
15

11

2

3
Monday
5th Jan
20

11

4

3
Tuesday
6th Jan
22

13

6

3
Wednesday
7th Jan
22

15

5

3
Thursday
8th Jan
22

15

3

3

5-day weather forecast updated at 04:04 on Sunday 4th 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 4th January 2026

Expect broken clouds in St Simons Island, Georgia (USA) with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north.

15
°C maximum temperature
11
°C minimum temperature
broken clouds
2
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
15
°C wind chill
14
kph wind from N

St Simons Island weather for Monday 5th January 2026

Expect broken clouds in St Simons Island, Georgia (USA) with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-east.

20
°C maximum temperature
11
°C minimum temperature
broken clouds
4
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
20
°C wind chill
11
kph wind from NE

St Simons Island weather for Tuesday 6th January 2026

Expect broken clouds in St Simons Island, Georgia (USA) with a maximum temperature of 22°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-west.

22
°C maximum temperature
13
°C minimum temperature
broken clouds
6
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
22
°C wind chill
12
kph wind from SW

St Simons Island weather for Wednesday 7th January 2026

Expect broken clouds in St Simons Island, Georgia (USA) with a maximum temperature of 22°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.

22
°C maximum temperature
15
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from SW

St Simons Island weather for Thursday 8th January 2026

Expect fog in low lying areas in St Simons Island, Georgia (USA) with a maximum temperature of 22°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-east.