St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 30°C. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

Friday
16th Oct
30

23

9

6
Saturday
17th Oct
24

16

3

5
Sunday
18th Oct
20

14

5

2
Monday
19th Oct
22

15

9

5
Tuesday
20th Oct
24

14

11

6

5-day weather forecast updated at 04:03 on Friday 16th October 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 Friday 16th October 2026

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.

30
°C maximum temperature
23
°C minimum temperature
scattered clouds
9
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from S

St Simons Island weather for Saturday 17th October 2026

Expect broken clouds in St Simons Island, Georgia (USA) with a maximum temperature of 24°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the north.

24
°C maximum temperature
16
°C minimum temperature
broken clouds
3
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
24
°C wind chill
29
kph wind from N

St Simons Island weather for Sunday 18th October 2026

Expect broken clouds in St Simons Island, Georgia (USA) with a maximum temperature of 20°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the north-east.

20
°C maximum temperature
14
°C minimum temperature
broken clouds
5
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
20
°C wind chill
29
kph wind from NE

St Simons Island weather for Monday 19th October 2026

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the north.

22
°C maximum temperature
15
°C minimum temperature
scattered clouds
9
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
22
°C wind chill
26
kph wind from N

St Simons Island weather for Tuesday 20th October 2026

Expect clear skies in St Simons Island, Georgia (USA) with a maximum temperature of 24°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north.