World Resorts USA Mustang Island Weather

Mustang Island 14 Days Forecast

12.08
wed
Day
88°F
N 15 mph
Precip.
11%
Night
84°F
N 19 mph
Precip.
9%
13.08
thu
Day
86°F
NW 16 mph
Precip.
9%
Night
84°F
NW 20 mph
Precip.
19%
14.08
fri
Day
86°F
NW 15 mph
Precip.
20%
Night
84°F
NW 19 mph
Precip.
11%
15.08
sat
Day
86°F
NW 13 mph
Precip.
7%
Night
84°F
NW 16 mph
Precip.
11%
16.08
sun
Day
86°F
NW 9 mph
Precip.
8%
Night
84°F
N 15 mph
Precip.
10%
17.08
mon
Day
84°F
NW 7 mph
Precip.
6%
Night
84°F
N 17 mph
Precip.
9%
18.08
tue
Day
84°F
N 9 mph
Precip.
8%
Night
84°F
N 17 mph
Precip.
9%
19.08
wed
Day
84°F
N 16 mph
Precip.
10%
Night
84°F
N 22 mph
Precip.
11%
20.08
thu
Day
86°F
N 17 mph
Precip.
9%
Night
84°F
NW 19 mph
Precip.
12%
21.08
fri
Day
86°F
N 11 mph
Precip.
8%
Night
84°F
N 19 mph
Precip.
9%
22.08
sat
Day
86°F
N 6 mph
Precip.
7%
Night
84°F
N 15 mph
Precip.
8%
23.08
sun
Day
86°F
N 12 mph
Precip.
7%
Night
84°F
N 19 mph
Precip.
10%
24.08
mon
Day
84°F
N 13 mph
Precip.
9%
Night
84°F
NW 17 mph
Precip.
8%
25.08
tue
Day
84°F
NW 11 mph
Precip.
10%
Night
84°F
NW 19 mph
Precip.
10%

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
July 16 days
August 16 days
Warmest months:
August 89.6 °F
July 88.4 °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
22:02
Mustang Island
+84°F
NW 21 mph
Feels like: +93°F
Precip.: 7%
Places in USA:
Name
°F
Boston
+72°F
Washington
+81°F
Hawaii
+79°F
Las Vegas
+90°F
Los Angeles
+70°F
Miami
+79°F
Maui
+75°F
Myrtle Beach
+79°F
New York
+75°F
San Diego
+72°F
San Francisco
+57°F
Santa Monica
+68°F
Sarasota
+79°F
Houston
+82°F
Chicago
+72°F
all places
24 Hours Forecast
Mustang Island
Local time: 22:02
August 13, thursday
0000
84°F
N
19 mph
0300
84°F
N
19 mph
0600
84°F
N
18 mph
0900
84°F
N
17 mph
1200
86°F
NW
16 mph
1500
86°F
NW
17 mph
1800
86°F
NW
20 mph
2100
84°F
NW
21 mph
Units of measurement: °C / °F