World Resorts USA Wilmington Island Weather

Wilmington Island 14 Days Forecast

29.09
tue
Day
79°F
W 10 mph
Precip.
5%
Night
79°F
NW 11 mph
Precip.
38%
30.09
wed
Day
79°F
W 9 mph
Precip.
17%
Night
79°F
W 11 mph
Precip.
7%
01.10
thu
Day
79°F
W 10 mph
Precip.
36%
Night
79°F
NW 9 mph
Precip.
28%
02.10
fri
Day
81°F
NW 7 mph
Precip.
24%
Night
81°F
NW 11 mph
Precip.
36%
03.10
sat
Day
79°F
NW 9 mph
Precip.
66%
Night
79°F
NW 13 mph
Precip.
23%
04.10
sun
Day
79°F
N 9 mph
Precip.
56%
Night
79°F
NE 6 mph
Precip.
41%
05.10
mon
Day
79°F
NE 4 mph
Precip.
33%
Night
75°F
SE 7 mph
Precip.
64%
06.10
tue
Day
73°F
SW 30 mph
Precip.
81%
Night
72°F
SW 29 mph
Precip.
54%
07.10
wed
Day
72°F
SW 32 mph
Precip.
24%
Night
77°F
W 25 mph
Precip.
21%
08.10
thu
Day
77°F
N 14 mph
Precip.
61%
Night
70°F
SE 12 mph
Precip.
26%
09.10
fri
Day
68°F
S 10 mph
Precip.
38%
Night
70°F
S 8 mph
Precip.
24%
10.10
sat
Day
72°F
SW 11 mph
Precip.
36%
Night
72°F
SW 7 mph
Precip.
52%
11.10
sun
Day
72°F
SW 9 mph
Precip.
44%
Night
73°F
SW 4 mph
Precip.
36%
12.10
mon
Day
75°F
SW 4 mph
Precip.
61%
Night
73°F
N 6 mph
Precip.
89%

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 83.5°F. The highest and lowest sea temperatures during the month were 86.2°F and 77.7°F.

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 73.0°F. The highest and lowest sea temperatures during the month were 80.1°F and 66.6°F.

Air temperature in Wilmington Island, °F

Precipitation total in Wilmington Island, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Wilmington Island

Sunniest months:
October 16 days
April 16 days
November 15 days
Warmest months:
July 87.9 °F
August 86.0 °F
June 84.9 °F
Warmest sea temp:
August 84.9 °F
July 84.9 °F
September 81.7 °F
Coldest months:
January 55.8 °F
December 58.9 °F
February 59.4 °F
Rainiest months:
August 5 days
July 3 days
February 3 days
Windiest months:
February 8.2 mph
January 8.2 mph
September 8.1 mph

Wilmington Island on a weather map

Wilmington Island
+79°F
NW 6 mph
Feels like: +82°F
Precip.: 5%
Places in USA:
Name
°F
+54°F
+63°F
+77°F
+61°F
+70°F
+81°F
+64°F
+59°F
+68°F
+59°F
+72°F
+72°F
+79°F
+61°F
24 Hours Forecast
Wilmington Island
Local time: 05:55
September 29, tuesday
0600
79°F
NW
6 mph
0900
79°F
W
7 mph
1200
79°F
W
10 mph
1500
79°F
W
11 mph
1800
79°F
W
12 mph
2100
79°F
NW
11 mph
September 30, wednesday
0000
79°F
NW
11 mph
0300
79°F
NW
8 mph
Units of measurement: °C / °F