World Resorts USA Mustang Island Weather

Mustang Island 14 Days Forecast

23.05
sat
Day
75°F
N 12 mph
Precip.
100%
Night
77°F
N 12 mph
Precip.
86%
24.05
sun
Day
79°F
W 6 mph
Precip.
0%
Night
81°F
NW 6 mph
Precip.
0%
25.05
mon
Day
81°F
W 4 mph
Precip.
100%
Night
81°F
NW 12 mph
Precip.
0%
26.05
tue
Day
81°F
N 9 mph
Precip.
0%
Night
81°F
NW 19 mph
Precip.
0%
27.05
wed
Day
81°F
NW 12 mph
Precip.
100%
Night
81°F
W 14 mph
Precip.
0%
28.05
thu
Day
82°F
N 9 mph
Precip.
100%
Night
81°F
NW 11 mph
Precip.
0%
29.05
fri
Day
82°F
NW 3 mph
Precip.
0%
Night
81°F
NW 8 mph
Precip.
0%
30.05
sat
Day
82°F
NW 6 mph
Precip.
49%
Night
79°F
SW 18 mph
Precip.
100%
31.05
sun
Day
75°F
SW 20 mph
Precip.
0%
Night
77°F
SW 15 mph
Precip.
0%
01.06
mon
Day
75°F
SW 11 mph
Precip.
0%
Night
75°F
W 7 mph
Precip.
0%
02.06
tue
Day
75°F
SW 6 mph
Precip.
0%
Night
77°F
W 11 mph
Precip.
0%
03.06
wed
Day
79°F
W 11 mph
Precip.
0%
Night
79°F
NW 12 mph
Precip.
0%
04.06
thu
Day
79°F
W 9 mph
Precip.
47%
Night
79°F
NW 13 mph
Precip.
0%
05.06
fri
Day
81°F
NW 13 mph
Precip.
77%
Night
79°F
NW 17 mph
Precip.
0%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 78.2°F. The highest and lowest sea temperatures during the month were 80.6°F and 75.7°F.

Sea water temperature in June, °F

Show year:
2025
2024
2023

The average sea water temperature in June of 2025 was 84.4°F. The highest and lowest sea temperatures during the month were 86.0°F and 82.6°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 87.4 °F
Warmest sea temp:
August 86.4 °F
September 85.3 °F
July 85.0 °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 13.2 mph

Mustang Island on a weather map

Mustang Island
+79°F
W 8 mph
Feels like: +82°F
Precip.: 0%
Places in USA:
Name
°F
+59°F
+75°F
+75°F
+100°F
+72°F
+84°F
+84°F
+70°F
+57°F
+70°F
+64°F
+86°F
+82°F
+75°F
+55°F
24 Hours Forecast
Mustang Island
Local time: 18:01
May 23, saturday
2100
75°F
NW
12 mph
May 24, sunday
0000
77°F
N
12 mph
0300
77°F
N
3 mph
0600
77°F
W
2 mph
0900
77°F
S
6 mph
1200
79°F
W
6 mph
1500
81°F
W
6 mph
1800
81°F
W
9 mph
Units of measurement: °C / °F