29.06
mon
mon
Day
97°F
S 6 mph
Precip.
3%
3%
Night
82°F
NE 6 mph
Precip.
12%
12%
30.06
tue
tue
Day
88°F
SW 11 mph
Precip.
4%
4%
Night
79°F
W 7 mph
Precip.
15%
15%
01.07
wed
wed
Day
86°F
SW 13 mph
Precip.
3%
3%
Night
79°F
W 9 mph
Precip.
15%
15%
02.07
thu
thu
Day
82°F
W 8 mph
Precip.
57%
57%
Night
79°F
NW 6 mph
Precip.
12%
12%
03.07
fri
fri
Day
84°F
W 6 mph
Precip.
46%
46%
Night
79°F
N 8 mph
Precip.
10%
10%
04.07
sat
sat
Day
90°F
NW 6 mph
Precip.
17%
17%
Night
81°F
N 10 mph
Precip.
11%
11%
05.07
sun
sun
Day
90°F
NE 6 mph
Precip.
17%
17%
Night
82°F
N 11 mph
Precip.
13%
13%
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 June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 81.5°F. The highest and lowest sea temperatures during the month were 84.0°F and 78.6°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 84.5°F. The highest and lowest sea temperatures during the month were 87.6°F and 81.7°F.
Air temperature in St. Simons Island, °F
Precipitation total in St. Simons Island, in.
* 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
Places in USA:
Name
°F
24 Hours Forecast
St. Simons Island
Local time: 18:28
June 29, monday
2100
84°F
NW
5 mph
5 mph
June 30, tuesday
0000
82°F
NE
6 mph
6 mph
0300
81°F
NE
2 mph
2 mph
0600
81°F
S
3 mph
3 mph
0900
82°F
SW
7 mph
7 mph
1200
88°F
SW
11 mph
11 mph
1500
86°F
W
13 mph
13 mph
1800
84°F
W
11 mph
11 mph
