17.04
thu
thu
Day
75°F
W 2 mph
Precip.
0%
0%
Night
64°F
NW 3 mph
Precip.
0%
0%
18.04
fri
fri
Day
77°F
NW 7 mph
Precip.
0%
0%
Night
66°F
NW 6 mph
Precip.
0%
0%
19.04
sat
sat
Day
79°F
NW 7 mph
Precip.
0%
0%
Night
68°F
NW 6 mph
Precip.
0%
0%
20.04
sun
sun
Day
81°F
N 6 mph
Precip.
0%
0%
Night
68°F
NW 4 mph
Precip.
0%
0%
21.04
mon
mon
Day
82°F
NE 6 mph
Precip.
0%
0%
Night
68°F
N 4 mph
Precip.
0%
0%
22.04
tue
tue
Day
82°F
NE 4 mph
Precip.
0%
0%
Night
68°F
NW 4 mph
Precip.
0%
0%
23.04
wed
wed
Day
86°F
N 4 mph
Precip.
0%
0%
Night
64°F
NW 2 mph
Precip.
100%
100%
sea water
temperature
temperature
| St. Simons Island |
monthly
weather
weather
| St. Simons Island |
current
weather
weather
| St. Simons Island |
14 days
forecast
forecast
| St. Simons Island |
Sea water temperature in April, °F
Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
60
63
66
69
72
75
78
The average sea water temperature in April of 2025 was 70.6°F. The highest and lowest sea temperatures during the month were 72.5°F and 66.6°F.
Sea water temperature in May, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
66
69
72
75
78
81
84
87
The average sea water temperature in May of 2024 was 77.3°F. The highest and lowest sea temperatures during the month were 81.0°F and 72.1°F.
Air temperature in St. Simons Island, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
15
30
45
60
75
90
105
62.7
69.6
77.4
83.0
87.3
88.3
86.0
81.5
76.0
71.4
64.8
59.8
54.0
60.7
67.0
73.8
76.8
76.7
73.9
68.3
62.9
59.2
55.0
50.7
| Day temperature | Night temperature |
Precipitation total in St. Simons Island, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.4
3.9
0.7
0.8
0.4
1.9
2.9
2.5
1.6
1
1.1
1.3
1
0.5
* Charts above show average data for the last 3 years.
Best time for vacation in St. Simons Island
St. Simons Island on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
St. Simons Island
Local time: 08:25
April 17, thursday
0900
64°F
W
1 mph
1 mph
1200
75°F
W
2 mph
2 mph
1500
79°F
NW
1 mph
1 mph
1800
79°F
NW
6 mph
6 mph
2100
70°F
W
4 mph
4 mph
April 18, friday
0000
64°F
NW
3 mph
3 mph
0300
61°F
NW
3 mph
3 mph
0600
59°F
NW
3 mph
3 mph
