St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 31°C. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

Thursday
2nd Jul
31

24

14

10
Friday
3rd Jul
31

26

10

10
Saturday
4th Jul
32

26

8

10
Sunday
5th Jul
33

26

7

10
Monday
6th Jul
33

26

9

10

5-day weather forecast updated at 04:03 on Friday 3rd July 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 Thursday 2nd July 2026

Expect clear skies 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 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the east.

31
°C maximum temperature
24
°C minimum temperature
clear skies
14
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from E

St Simons Island weather for Friday 3rd July 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 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 17% chance of some rain and a gentle breeze of 16 kph from the east.

31
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
10
hours of sunshine
10
UV index (Very High)
17
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from E

St Simons Island weather for Saturday 4th July 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 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 11% chance of some rain and a gentle breeze of 18 kph from the south-east.

32
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
10
UV index (Very High)
11
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
18
kph wind from SE

St Simons Island weather for Sunday 5th July 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 2-5 mm of rainfall expected with 61% chance of some rain and a gentle breeze of 17 kph from the south.

33
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
61
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
17
kph wind from S

St Simons Island weather for Monday 6th July 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 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 63% chance of some rain and a gentle breeze of 18 kph from the south-west.