St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 21°C. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

Sunday
3rd May
21

15

12

9
Monday
4th May
24

17

12

8
Tuesday
5th May
25

19

11

8
Wednesday
6th May
29

21

9

8
Thursday
7th May
30

23

1

9

5-day weather forecast updated at 04:03 on Sunday 3rd May 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 3rd May 2026

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 21°C, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north.

21
°C maximum temperature
15
°C minimum temperature
scattered clouds
12
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from N

St Simons Island weather for Monday 4th May 2026

Expect clear skies in St Simons Island, Georgia (USA) with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-east.

24
°C maximum temperature
17
°C minimum temperature
clear skies
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from SE

St Simons Island weather for Tuesday 5th May 2026

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-east.

25
°C maximum temperature
19
°C minimum temperature
scattered clouds
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
19
kph wind from SE

St Simons Island weather for Wednesday 6th May 2026

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south.

29
°C maximum temperature
21
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
19
kph wind from S

St Simons Island weather for Thursday 7th May 2026

Expect mostly cloudy with light rain in St Simons Island, Georgia (USA) with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 35% chance of some rain and a moderate breeze of 21 kph from the south-west.