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.

Monday
8th Dec
15

9

1

2
Tuesday
9th Dec
10

6

2

2
Wednesday
10th Dec
16

5

10

3
Thursday
11th Dec
16

9

6

3
Friday
12th Dec
17

7

8

3

5-day weather forecast updated at 04:04 on Monday 8th 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 Monday 8th December 2025

Expect broken clouds in St Simons Island, Georgia (USA) with a maximum temperature of 15°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north.

15
°C maximum temperature
9
°C minimum temperature
broken clouds
1
hour of sunshine
2
UV index (Low)
0
mm of rainfall expected
15
°C wind chill
17
kph wind from N

St Simons Island weather for Tuesday 9th December 2025

Expect broken clouds in St Simons Island, Georgia (USA) with a maximum temperature of 10°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north.

10
°C maximum temperature
6
°C minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from N

St Simons Island weather for Wednesday 10th December 2025

Expect clear skies in St Simons Island, Georgia (USA) with a maximum temperature of 16°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.

16
°C maximum temperature
5
°C minimum temperature
clear skies
10
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from W

St Simons Island weather for Thursday 11th December 2025

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the west.

16
°C maximum temperature
9
°C minimum temperature
scattered clouds
6
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from W

St Simons Island weather for Friday 12th December 2025

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the west.