St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 28°C. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

Friday
29th May
28

25

3

4
Saturday
30th May
28

26

3

7
Sunday
31st May
27

25

3

8
Monday
1st Jun
28

25

7

9
Tuesday
2nd Jun
30

24

8

10

5-day weather forecast updated at 04:03 on Friday 29th 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 Friday 29th May 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 95% chance of some rain and a light breeze of 11 kph from the east.

28
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
4
UV index (Moderate)
95
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
11
kph wind from E

St Simons Island weather for Saturday 30th May 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 78% chance of some rain and a gentle breeze of 15 kph from the west.

28
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
7
UV index (High)
78
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from W

St Simons Island weather for Sunday 31st May 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 88% chance of some rain and a gentle breeze of 19 kph from the east.

27
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
8
UV index (Very High)
88
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
19
kph wind from E

St Simons Island weather for Monday 1st June 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 85% chance of some rain and a gentle breeze of 13 kph from the north.

28
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
9
UV index (Very High)
85
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
13
kph wind from N

St Simons Island weather for Tuesday 2nd June 2026

Expect sunshine and showers in St Simons Island, Georgia (USA) with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 59% chance of some rain and a gentle breeze of 18 kph from the north-east.