St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 26°C. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

Monday
9th Mar
26

19

5

6
Tuesday
10th Mar
27

19

6

6
Wednesday
11th Mar
27

19

8

7
Thursday
12th Mar
23

15

0

8
Friday
13th Mar
20

14

7

5

5-day weather forecast updated at 04:03 on Monday 9th 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 Monday 9th March 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 14% chance of some rain and a light breeze of 10 kph from the west.

26
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
6
UV index (High)
14
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
10
kph wind from W

St Simons Island weather for Tuesday 10th March 2026

Expect broken clouds in St Simons Island, Georgia (USA) with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south.

27
°C maximum temperature
19
°C minimum temperature
broken clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
12
kph wind from S

St Simons Island weather for Wednesday 11th March 2026

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south.

27
°C maximum temperature
19
°C minimum temperature
scattered clouds
8
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
17
kph wind from S

St Simons Island weather for Thursday 12th March 2026

Expect mostly cloudy with rain in St Simons Island, Georgia (USA) with a maximum temperature of 23°C, maximum UV of 8 (Very High) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 68% chance of some rain and a moderate breeze of 23 kph from the south-west.

23
°C maximum temperature
15
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
8
UV index (Very High)
68
% chance of some rain
<10
mm of rainfall expected
23
°C wind chill
23
kph wind from SW

St Simons Island weather for Friday 13th March 2026

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north-east.