World Resorts USA Mustang Island Weather

Mustang Island 14 Days Forecast

23.07
thu
Day
93°F
NE 5 mph
Precip.
4%
Night
79°F
N 20 mph
Precip.
27%
24.07
fri
Day
86°F
NW 20 mph
Precip.
17%
Night
84°F
NW 17 mph
Precip.
8%
25.07
sat
Day
86°F
NW 9 mph
Precip.
5%
Night
84°F
NW 14 mph
Precip.
12%
26.07
sun
Day
84°F
N 10 mph
Precip.
8%
Night
84°F
N 16 mph
Precip.
11%
27.07
mon
Day
84°F
N 14 mph
Precip.
7%
Night
82°F
N 19 mph
Precip.
10%
28.07
tue
Day
84°F
N 17 mph
Precip.
7%
Night
84°F
N 18 mph
Precip.
9%
29.07
wed
Day
84°F
NW 16 mph
Precip.
13%
Night
84°F
NW 15 mph
Precip.
9%
30.07
thu
Day
86°F
N 14 mph
Precip.
9%
Night
84°F
N 17 mph
Precip.
11%
31.07
fri
Day
86°F
N 14 mph
Precip.
8%
Night
84°F
N 17 mph
Precip.
9%
01.08
sat
Day
84°F
N 16 mph
Precip.
9%
Night
84°F
N 19 mph
Precip.
10%
02.08
sun
Day
86°F
N 16 mph
Precip.
9%
Night
84°F
N 19 mph
Precip.
9%
03.08
mon
Day
86°F
N 17 mph
Precip.
7%
Night
84°F
NW 19 mph
Precip.
9%
04.08
tue
Day
86°F
N 15 mph
Precip.
8%
Night
84°F
NW 17 mph
Precip.
11%
05.08
wed
Day
86°F
NW 14 mph
Precip.
9%
Night
84°F
NW 15 mph
Precip.
9%

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 84.6°F. The highest and lowest sea temperatures during the month were 86.2°F and 83.3°F.

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 86.3°F. The highest and lowest sea temperatures during the month were 87.4°F and 84.6°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 16 days
July 14 days
Warmest months:
August 89.6 °F
July 88.3 °F
June 87.1 °F
Warmest sea temp:
August 86.4 °F
September 85.3 °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
19:17
Mustang Island
+77°F
N 30 mph
Feels like: +82°F
Precip.: 90%
Places in USA:
Name
°F
Boston
+70°F
Hawaii
+79°F
Las Vegas
+115°F
Los Angeles
+88°F
Miami
+84°F
Malibu
+91°F
Maui
+75°F
Myrtle Beach
+84°F
New York
+72°F
San Diego
+82°F
San Francisco
+70°F
Santa Monica
+81°F
Sarasota
+82°F
Houston
+82°F
Chicago
+77°F
all places
24 Hours Forecast
Mustang Island
Local time: 19:17
July 23, thursday
2100
79°F
N
24 mph
July 24, friday
0000
79°F
N
20 mph
0300
79°F
NW
19 mph
0600
81°F
NW
21 mph
0900
84°F
NW
19 mph
1200
86°F
NW
20 mph
1500
86°F
N
18 mph
1800
86°F
NW
16 mph
Units of measurement: °C / °F