St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 66°F. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

Wednesday
25th Mar
66

57

3

6
Thursday
26th Mar
75

63

12

9
Friday
27th Mar
82

63

10

8
Saturday
28th Mar
68

59

6

6
Sunday
29th Mar
68

57

9

5

5-day weather forecast updated at 04:03 on Wednesday 25th March 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 25th March 2026

Expect broken clouds in St Simons Island, Georgia (USA) with a maximum temperature of 66°F, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the north-east.

66
°F maximum temperature
57
°F minimum temperature
broken clouds
3
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
17
mph wind from NE

St Simons Island weather for Thursday 26th March 2026

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 75°F, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the east.

75
°F maximum temperature
63
°F minimum temperature
scattered clouds
12
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
8
mph wind from E

St Simons Island weather for Friday 27th March 2026

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 82°F, low 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 9 mph from the south.

82
°F maximum temperature
63
°F minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
9
mph wind from S

St Simons Island weather for Saturday 28th March 2026

Expect broken clouds in St Simons Island, Georgia (USA) with a maximum temperature of 68°F, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 21 mph from the north-east.

68
°F maximum temperature
59
°F minimum temperature
broken clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
68
°F wind chill
21
mph wind from NE

St Simons Island weather for Sunday 29th March 2026

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 68°F, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the north-east.