St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 23°C. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

Saturday
7th Mar
23

18

5

7
Sunday
8th Mar
26

19

8

7
Monday
9th Mar
25

19

3

7
Tuesday
10th Mar
25

19

7

7
Wednesday
11th Mar
25

19

7

7

5-day weather forecast updated at 04:03 on Saturday 7th 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 Saturday 7th March 2026

Expect broken clouds in St Simons Island, Georgia (USA) with a maximum temperature of 23°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-east.

23
°C maximum temperature
18
°C minimum temperature
broken clouds
5
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
23
°C wind chill
13
kph wind from SE

St Simons Island weather for Sunday 8th 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 7 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 64% chance of some rain and a gentle breeze of 14 kph from the south.

26
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
7
UV index (High)
64
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
14
kph wind from S

St Simons Island weather for Monday 9th March 2026

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 25°C, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a light breeze of 11 kph from the south.

25
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
7
UV index (High)
29
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
11
kph wind from S

St Simons Island weather for Tuesday 10th March 2026

Expect broken clouds in St Simons Island, Georgia (USA) with a maximum temperature of 25°C, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.