Measurements:
°C
°F
CURRENT WEATHER
13:30
Mustang Island
94°F
NW 14 mph
Feels like: 114°F
Precip: 9%
World Resorts USA Mustang Island Weather

7 Day Weather Forecast

07.15
wed
DAY
94°F
NW 14 mph
precip
9%
NIGHT
86°F
NW 17 mph
precip
8%
07.16
thu
DAY
88°F
NW 17 mph
precip
10%
NIGHT
88°F
NW 19 mph
precip
11%
07.17
fri
DAY
88°F
NW 13 mph
precip
20%
NIGHT
86°F
NW 18 mph
precip
12%
07.18
sat
DAY
88°F
NW 16 mph
precip
9%
NIGHT
86°F
NW 15 mph
precip
9%
07.19
sun
DAY
88°F
NW 17 mph
precip
8%
NIGHT
86°F
NW 16 mph
precip
10%
07.20
mon
DAY
88°F
NW 14 mph
precip
10%
NIGHT
86°F
NW 16 mph
precip
12%
07.21
tue
DAY
88°F
NW 13 mph
precip
9%
NIGHT
86°F
NW 15 mph
precip
9%

Mustang Island Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Mustang Island was 29.3°F. The maximum and minimum values were 28.5°F and 30.1°F respectively.

Mustang Island on the Weather Map

Best Time to Visit Mustang Island
The most sunny months:
October 17 days
August 16 days
July 14 days
The most warm months:
August 94.0 °F
July 92.6 °F
June 91.3 °F
Warmest sea temperature:
August 90.5 °F
September 89.3 °F
July 88.9 °F
The most cold months:
January 63.7 °F
February 65.0 °F
December 68.8 °F
The most rainy months:
July 3 days
September 2 days
May 2 days
The most windy months:
April 14 mph
May 13 mph
June 13 mph
more details