St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 13°C. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

Wednesday
14th Jan
13

9

1

2
Thursday
15th Jan
10

2

10

3
Friday
16th Jan
10

-1

10

4
Saturday
17th Jan
17

5

6

4
Sunday
18th Jan
12

3

10

3

5-day weather forecast updated at 04:04 on Wednesday 14th 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 Wednesday 14th January 2026

Expect mostly cloudy with light rain in St Simons Island, Georgia (USA) with a maximum temperature of 13°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 65% chance of some rain and a gentle breeze of 15 kph from the west.

13
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
2
UV index (Low)
65
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
15
kph wind from W

St Simons Island weather for Thursday 15th January 2026

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 10°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north-west.

10
°C maximum temperature
2
°C minimum temperature
scattered clouds
10
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
7
°C wind chill
23
kph wind from NW

St Simons Island weather for Friday 16th January 2026

Expect clear skies in St Simons Island, Georgia (USA) with a maximum temperature of 10°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

10
°C maximum temperature
-1
°C minimum temperature
clear skies
10
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
7
°C wind chill
16
kph wind from NW

St Simons Island weather for Saturday 17th January 2026

Expect broken clouds in St Simons Island, Georgia (USA) with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

17
°C maximum temperature
5
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
17
°C wind chill
13
kph wind from SW

St Simons Island weather for Sunday 18th January 2026

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-west.