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.

Wednesday
27th May
30

26

7

9
Thursday
28th May
28

25

6

9
Friday
29th May
29

25

3

11
Saturday
30th May
29

25

4

7
Sunday
31st May
29

25

1

1

5-day weather forecast updated at 04:02 on Wednesday 27th May 2026 GMT

More about St Simons Island

St Simons Island by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Georgia

GO Airport Shuttle discount code: 5% off airport transfers

Discount Code

Save EXTRA 5% on airport transfers worldwide
Book private taxis & shuttle buses with discount code
Enter in coupon box on 'Reservations' page

Show discount code

******WEB

Redeem GO Airport Shuttle discount code >>

Expires at 23:59 on Thursday 31st Dec 2026

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 27th May 2026

Expect isolated thunderstorms 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 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a gentle breeze of 17 kph from the south.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
9
UV index (Very High)
41
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from S

St Simons Island weather for Thursday 28th 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 9 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 66% chance of some rain and a gentle breeze of 13 kph from the south-west.

28
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
66
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from SW

St Simons Island weather for Friday 29th May 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 94% chance of some rain and a light breeze of 12 kph from the east.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
11
UV index (Extreme)
94
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
12
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 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 30-40 mm of rainfall expected with 83% chance of some rain and a gentle breeze of 17 kph from the west.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
83
% chance of some rain
<40
mm of rainfall expected
M
moderate heat & humidity
17
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 29°C, moderate levels of heat & humidity, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 79% chance of some rain and a gentle breeze of 16 kph from the north-east.