St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 84°F. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

Saturday
30th May
84

77

4

9
Sunday
31st May
81

77

4

9
Monday
1st Jun
84

77

4

8
Tuesday
2nd Jun
86

75

7

8
Wednesday
3rd Jun
82

77

7

10

5-day weather forecast updated at 04:02 on Saturday 30th May 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 Saturday 30th May 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 93% chance of some rain and a light breeze of 7 mph from the north-west.

84
°F maximum temperature
77
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
9
UV index (Very High)
93
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
7
mph wind from NW

St Simons Island weather for Sunday 31st May 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 93% chance of some rain and a gentle breeze of 10 mph from the east.

81
°F maximum temperature
77
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
9
UV index (Very High)
93
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
10
mph wind from E

St Simons Island weather for Monday 1st June 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 74% chance of some rain and a gentle breeze of 9 mph from the north-west.

84
°F maximum temperature
77
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
8
UV index (Very High)
74
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
9
mph wind from NW

St Simons Island weather for Tuesday 2nd June 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 58% chance of some rain and a gentle breeze of 11 mph from the north-east.

86
°F maximum temperature
75
°F minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
58
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
11
mph wind from NE

St Simons Island weather for Wednesday 3rd June 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a moderate breeze of 12 mph from the north-east.