World Resorts USA Mustang Island Weather

Mustang Island 7 Days Forecast

29.04
wed
Day
81°F
NW 15 mph
Precip.
0%
Night
77°F
NW 13 mph
Precip.
0%
30.04
thu
Day
77°F
NW 14 mph
Precip.
83%
Night
77°F
NW 22 mph
Precip.
0%
01.05
fri
Day
79°F
N 19 mph
Precip.
100%
Night
70°F
S 29 mph
Precip.
0%
02.05
sat
Day
68°F
S 21 mph
Precip.
0%
Night
70°F
SW 16 mph
Precip.
0%
03.05
sun
Day
72°F
SW 11 mph
Precip.
0%
Night
72°F
NW 14 mph
Precip.
0%
04.05
mon
Day
73°F
NW 13 mph
Precip.
0%
Night
73°F
NW 17 mph
Precip.
0%
05.05
tue
Day
77°F
NW 17 mph
Precip.
0%
Night
75°F
NW 22 mph
Precip.
59%

Sea water temperature in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 74.8°F. The highest and lowest sea temperatures during the month were 77.4°F and 72.7°F.

Sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 80.1°F. The highest and lowest sea temperatures during the month were 83.7°F and 77.7°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
+77°F
NW 16 mph
Feels like: +81°F
Precip.: 0%
Places in USA:
Name
°F
+55°F
+73°F
+73°F
+57°F
+52°F
+79°F
+79°F
+66°F
+54°F
+54°F
+50°F
+77°F
+75°F
+77°F
+54°F
24 Hours Forecast
Mustang Island
Local time: 07:35
April 29, wednesday
0900
77°F
N
16 mph
1200
81°F
NW
15 mph
1500
81°F
NW
14 mph
1800
79°F
NW
15 mph
2100
77°F
NW
12 mph
April 30, thursday
0000
77°F
NW
13 mph
0300
77°F
NW
11 mph
0600
77°F
NW
10 mph
Units of measurement: °C / °F