St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 33°C. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

Tuesday
23rd Jun
33

24

10

10
Wednesday
24th Jun
30

24

10

10
Thursday
25th Jun
31

25

8

10
Friday
26th Jun
32

25

8

10
Saturday
27th Jun
33

25

9

10

5-day weather forecast updated at 04:03 on Tuesday 23rd June 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 Tuesday 23rd 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 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a moderate breeze of 21 kph from the west.

33
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
10
hours of sunshine
10
UV index (Very High)
31
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
21
kph wind from W

St Simons Island weather for Wednesday 24th June 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 10 (Very High) and 10 hours of bright sunshine. There are 2-5 mm of rainfall expected with 4% chance of some rain and a gentle breeze of 13 kph from the east.

30
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
10
hours of sunshine
10
UV index (Very High)
4
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from E

St Simons Island weather for Thursday 25th 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 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 16 kph from the south-east.

31
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
10
UV index (Very High)
25
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from SE

St Simons Island weather for Friday 26th 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 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 49% chance of some rain and a gentle breeze of 17 kph from the south.

32
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
10
UV index (Very High)
49
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
17
kph wind from S

St Simons Island weather for Saturday 27th June 2026

Expect scattered clouds 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 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-west.