World Resorts USA St. Simons Island Weather

St. Simons Island 7 Days Forecast

11.01
sun
Day
61°F
SE 13 mph
Precip.
100%
Night
48°F
S 14 mph
Precip.
0%
12.01
mon
Day
45°F
SW 11 mph
Precip.
0%
Night
46°F
SW 4 mph
Precip.
0%
13.01
tue
Day
52°F
S 3 mph
Precip.
0%
Night
48°F
NE 4 mph
Precip.
0%
14.01
wed
Day
55°F
NE 7 mph
Precip.
0%
Night
52°F
NE 11 mph
Precip.
0%
15.01
thu
Day
41°F
E 22 mph
Precip.
0%
Night
34°F
E 19 mph
Precip.
0%
16.01
fri
Day
41°F
SE 11 mph
Precip.
0%
Night
41°F
SE 4 mph
Precip.
0%
17.01
sat
Day
50°F
SW 4 mph
Precip.
0%
Night
50°F
NE 4 mph
Precip.
0%

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 52.9°F. The highest and lowest sea temperatures during the month were 58.1°F and 48.9°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:
October 15 days
January 14 days
March 14 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 59.8 °F
December 62.5 °F
February 64.8 °F
Rainiest months:
August 5 days
July 5 days
September 4 days
Windiest months:
December 6.8 mph
October 6.7 mph
January 6.7 mph

St. Simons Island on a weather map

Current weather
17:55
St. Simons Island
+61°F
SE 14 mph
Feels like: +59°F
Precip.: 0%
Places in USA:
Name
°F
Washington
+41°F
Hawaii
+77°F
Honolulu
+77°F
Las Vegas
+63°F
Los Angeles
+75°F
Miami
+79°F
Miami Beach
+79°F
Maui
+72°F
New York
+39°F
San Diego
+73°F
San Francisco
+57°F
Sarasota
+72°F
Tampa
+68°F
Houston
+61°F
Chicago
+30°F
all places
24 Hours Forecast
St. Simons Island
Local time: 17:55
January 11, sunday
1800
61°F
SE
14 mph
2100
52°F
S
14 mph
January 12, monday
0000
48°F
S
14 mph
0300
43°F
S
12 mph
0600
41°F
SW
11 mph
0900
41°F
SW
10 mph
1200
45°F
SW
11 mph
1500
50°F
SW
9 mph
Units of measurement: °C / °F