World Resorts USA St. Simons Island Weather

St. Simons Island 7 Days Forecast

08.06
mon
Day
84°F
NW 5 mph
Precip.
1%
Night
75°F
NW 6 mph
Precip.
4%
09.06
tue
Day
82°F
W 8 mph
Precip.
1%
Night
75°F
NW 7 mph
Precip.
5%
10.06
wed
Day
84°F
NW 8 mph
Precip.
1%
Night
77°F
N 11 mph
Precip.
3%
11.06
thu
Day
86°F
N 8 mph
Precip.
2%
Night
77°F
N 8 mph
Precip.
73%
12.06
fri
Day
81°F
E 7 mph
Precip.
5%
Night
75°F
NE 9 mph
Precip.
28%
13.06
sat
Day
90°F
E 6 mph
Precip.
1%
Night
75°F
N 6 mph
Precip.
73%
14.06
sun
Day
86°F
NE 5 mph
Precip.
2%
Night
73°F
NE 9 mph
Precip.
73%

Sea water temperature in June, °F

Show year:
2025
2024
2023

The average sea water temperature in June of 2025 was 82.4°F. The highest and lowest sea temperatures during the month were 85.3°F and 80.2°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

Sunniest months:
January 15 days
October 15 days
April 15 days
Warmest months:
July 88.3 °F
August 86.9 °F
June 86.1 °F
Warmest sea temp:
August 85.1 °F
July 84.6 °F
September 82.0 °F
Coldest months:
January 59.4 °F
December 62.5 °F
February 64.1 °F
Rainiest months:
August 5 days
July 5 days
September 4 days
Windiest months:
February 6.9 mph
January 6.9 mph
April 6.9 mph

St. Simons Island on a weather map

Current weather
16:19
St. Simons Island
+86°F
W 10 mph
Feels like: +90°F
Precip.: 1%
Places in USA:
Name
°F
Hawaii
+77°F
Honolulu
+77°F
Las Vegas
+100°F
Los Angeles
+79°F
Miami
+88°F
Miami Beach
+90°F
Maui
+72°F
New York
+79°F
San Diego
+70°F
San Francisco
+64°F
Santa Monica
+68°F
Sarasota
+95°F
Tampa
+102°F
Houston
+88°F
Chicago
+77°F
all places
24 Hours Forecast
St. Simons Island
Local time: 16:19
June 08, monday
1800
81°F
NW
8 mph
2100
77°F
NW
6 mph
June 09, tuesday
0000
75°F
NW
6 mph
0300
75°F
NW
5 mph
0600
75°F
W
2 mph
0900
79°F
W
5 mph
1200
82°F
W
8 mph
1500
84°F
W
9 mph
Units of measurement: °C / °F