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.

Wednesday
15th Jul
32

25

8

10
Thursday
16th Jul
32

25

8

9
Friday
17th Jul
33

26

8

10
Saturday
18th Jul
33

26

7

10
Sunday
19th Jul
32

25

5

10

5-day weather forecast updated at 04:03 on Wednesday 15th 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 Wednesday 15th 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 54% chance of some rain and a light breeze of 11 kph from the north-west.

32
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
10
UV index (Very High)
54
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
11
kph wind from NW

St Simons Island weather for Thursday 16th 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 9 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 40% chance of some rain and a light breeze of 10 kph from the west.

32
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
9
UV index (Very High)
40
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
10
kph wind from W

St Simons Island weather for Friday 17th 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 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 58% chance of some rain and a light breeze of 11 kph from the west.

33
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
10
UV index (Very High)
58
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
11
kph wind from W

St Simons Island weather for Saturday 18th 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 56% chance of some rain and a gentle breeze of 17 kph from the south-west.

33
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
56
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
17
kph wind from SW

St Simons Island weather for Sunday 19th July 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 10 (Very High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 67% chance of some rain and a gentle breeze of 15 kph from the south-west.