World Resorts USA Mustang Island Weather

Mustang Island 14 Days Forecast

23.09
wed
Day
84°F
W 13 mph
Precip.
6%
Night
84°F
W 14 mph
Precip.
26%
24.09
thu
Day
86°F
W 13 mph
Precip.
15%
Night
84°F
NW 16 mph
Precip.
21%
25.09
fri
Day
84°F
W 11 mph
Precip.
6%
Night
84°F
NW 18 mph
Precip.
7%
26.09
sat
Day
84°F
NW 11 mph
Precip.
7%
Night
84°F
NW 19 mph
Precip.
14%
27.09
sun
Day
82°F
NW 6 mph
Precip.
6%
Night
84°F
NW 18 mph
Precip.
5%
28.09
mon
Day
82°F
N 6 mph
Precip.
7%
Night
84°F
NW 18 mph
Precip.
11%
29.09
tue
Day
84°F
N 16 mph
Precip.
28%
Night
84°F
N 19 mph
Precip.
35%
30.09
wed
Day
79°F
W 4 mph
Precip.
60%
Night
84°F
SW 18 mph
Precip.
7%
01.10
thu
Day
79°F
SW 18 mph
Precip.
2%
Night
82°F
W 12 mph
Precip.
2%
02.10
fri
Day
79°F
SW 13 mph
Precip.
3%
Night
82°F
W 11 mph
Precip.
4%
03.10
sat
Day
81°F
SW 12 mph
Precip.
3%
Night
82°F
NW 10 mph
Precip.
3%
04.10
sun
Day
81°F
NW 7 mph
Precip.
3%
Night
81°F
NW 14 mph
Precip.
5%
05.10
mon
Day
81°F
NW 9 mph
Precip.
20%
Night
81°F
NW 19 mph
Precip.
6%

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 86.3°F. The highest and lowest sea temperatures during the month were 86.9°F and 85.6°F.

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 82.5°F. The highest and lowest sea temperatures during the month were 84.2°F and 78.6°F.

Air temperature in Mustang Island, °F

Precipitation total in Mustang Island, in.

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

Best time for vacation in Mustang Island

Sunniest months:
October 17 days
August 17 days
July 16 days
Warmest months:
August 89.4 °F
July 88.4 °F
June 87.1 °F
Warmest sea temp:
August 86.2 °F
September 85.5 °F
July 84.9 °F
Coldest months:
January 62.3 °F
February 63.5 °F
December 66.9 °F
Rainiest months:
July 3 days
September 2 days
May 2 days
Windiest months:
April 14.2 mph
May 13.6 mph
June 13.5 mph

Mustang Island on a weather map

Current weather
00:26
Mustang Island
+84°F
NW 15 mph
Feels like: +95°F
Precip.: 7%
Places in USA:
Name
°F
Boston
+57°F
Washington
+59°F
Hawaii
+79°F
Las Vegas
+84°F
Los Angeles
+72°F
Miami
+82°F
Maui
+66°F
New York
+61°F
Panama City Beach
+77°F
San Diego
+70°F
San Francisco
+59°F
Santa Monica
+70°F
Sarasota
+79°F
Houston
+84°F
Chicago
+59°F
all places
24 Hours Forecast
Mustang Island
Local time: 00:26
September 23, wednesday
0300
84°F
NW
8 mph
0600
84°F
W
7 mph
0900
84°F
W
12 mph
1200
84°F
W
13 mph
1500
84°F
W
16 mph
1800
86°F
W
16 mph
2100
86°F
W
16 mph
September 24, thursday
0000
84°F
W
14 mph
Units of measurement: °C / °F