St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 32°C. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

Thursday
25th Jun
32

26

12

9
Friday
26th Jun
31

25

7

10
Saturday
27th Jun
33

25

7

10
Sunday
28th Jun
34

26

9

10
Monday
29th Jun
32

27

7

10

5-day weather forecast updated at 04:03 on Thursday 25th June 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 Thursday 25th June 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 14 kph from the east.

32
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
12
hours of sunshine
9
UV index (Very High)
33
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from E

St Simons Island weather for Friday 26th June 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 69% chance of some rain and a gentle breeze of 16 kph from the south.

31
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
69
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from S

St Simons Island weather for Saturday 27th June 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a gentle breeze of 15 kph from the south.

33
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
32
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
15
kph wind from S

St Simons Island weather for Sunday 28th June 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 38% chance of some rain and a gentle breeze of 14 kph from the south.

34
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
10
UV index (Very High)
38
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
14
kph wind from S

St Simons Island weather for Monday 29th June 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 70% chance of some rain and a light breeze of 12 kph from the east.