St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 29°C. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

Wednesday
10th Jun
29

25

9

10
Thursday
11th Jun
30

25

10

11
Friday
12th Jun
33

26

10

8
Saturday
13th Jun
33

26

8

10
Sunday
14th Jun
32

25

7

9

5-day weather forecast updated at 04:02 on Wednesday 10th 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 Wednesday 10th June 2026

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 29°C, moderate 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 17 kph from the south-east.

29
°C maximum temperature
25
°C minimum temperature
scattered clouds
9
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from SE

St Simons Island weather for Thursday 11th June 2026

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south.

30
°C maximum temperature
25
°C minimum temperature
scattered clouds
10
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from S

St Simons Island weather for Friday 12th 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 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south.

33
°C maximum temperature
26
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
15
kph wind from S

St Simons Island weather for Saturday 13th 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 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 13 kph from the south-west.

33
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
10
UV index (Very High)
70
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
13
kph wind from SW

St Simons Island weather for Sunday 14th 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 9 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 17 kph from the south-west.