St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 28°C. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

Tuesday
9th Jun
28

25

5

9
Wednesday
10th Jun
29

25

9

10
Thursday
11th Jun
31

25

10

11
Friday
12th Jun
32

26

8

9
Saturday
13th Jun
33

26

9

10

5-day weather forecast updated at 04:02 on Tuesday 9th 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 9th June 2026

Expect broken clouds in St Simons Island, Georgia (USA) with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-east.

28
°C maximum temperature
25
°C minimum temperature
broken clouds
5
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
16
kph wind from SE

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 31°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.

31
°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 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 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 63% chance of some rain and a gentle breeze of 15 kph from the south.

32
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
9
UV index (Very High)
63
% chance of some rain
<2
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 9 hours of bright sunshine. There are 5-10 mm of rainfall expected with 65% chance of some rain and a gentle breeze of 14 kph from the south-west.