World Resorts USA Mustang Island Weather

Mustang Island 14 Days Forecast

18.03
wed
Day
70°F
NW 9 mph
Precip.
0%
Night
64°F
NW 12 mph
Precip.
0%
19.03
thu
Day
70°F
N 7 mph
Precip.
0%
Night
66°F
N 13 mph
Precip.
0%
20.03
fri
Day
64°F
N 11 mph
Precip.
0%
Night
68°F
N 19 mph
Precip.
0%
21.03
sat
Day
66°F
N 14 mph
Precip.
0%
Night
68°F
N 20 mph
Precip.
0%
22.03
sun
Day
70°F
N 14 mph
Precip.
0%
Night
68°F
N 19 mph
Precip.
0%
23.03
mon
Day
72°F
N 8 mph
Precip.
0%
Night
70°F
N 9 mph
Precip.
0%
24.03
tue
Day
72°F
NE 5 mph
Precip.
0%
Night
70°F
N 15 mph
Precip.
0%
25.03
wed
Day
72°F
N 12 mph
Precip.
0%
Night
70°F
NW 16 mph
Precip.
0%
26.03
thu
Day
70°F
N 14 mph
Precip.
0%
Night
70°F
NW 16 mph
Precip.
0%
27.03
fri
Day
68°F
NW 25 mph
Precip.
27%
Night
59°F
S 28 mph
Precip.
0%
28.03
sat
Day
54°F
SW 16 mph
Precip.
0%
Night
57°F
NW 13 mph
Precip.
0%
29.03
sun
Day
66°F
NW 16 mph
Precip.
28%
Night
68°F
N 22 mph
Precip.
59%
30.03
mon
Day
70°F
NW 24 mph
Precip.
61%
Night
70°F
NW 26 mph
Precip.
100%
31.03
tue
Day
72°F
N 22 mph
Precip.
0%
Night
72°F
NW 22 mph
Precip.
0%

Sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 70.5°F. The highest and lowest sea temperatures during the month were 74.7°F and 66.9°F.

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 73.4°F. The highest and lowest sea temperatures during the month were 78.1°F and 70.2°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 13.9 mph
May 13.6 mph
June 13.2 mph

Mustang Island on a weather map

Mustang Island
+70°F
NW 12 mph
Feels like: +70°F
Precip.: 0%
Places in USA:
Name
°F
+36°F
+75°F
+75°F
+91°F
+84°F
+66°F
+72°F
+72°F
+32°F
+66°F
+63°F
+61°F
+59°F
+75°F
+39°F
24 Hours Forecast
Mustang Island
Local time: 19:23
March 18, wednesday
2100
66°F
NW
12 mph
March 19, thursday
0000
64°F
NW
12 mph
0300
64°F
N
13 mph
0600
66°F
N
11 mph
0900
66°F
N
9 mph
1200
70°F
N
7 mph
1500
70°F
NW
11 mph
1800
72°F
NW
11 mph
Units of measurement: °C / °F