World Resorts USA Mustang Island Weather

Mustang Island sea water temperature

Current sea water temperature:
+76.8°F
Minimum sea water temperature in November: 80.2°F
Maximum sea water temperature in November: 64.0°F
Average sea water temperature in November: 73.4°F

Sea water temperature for the last 10 days:

October 28 76.8°F October 23 76.8°F
October 27 76.8°F October 22 76.8°F
October 26 76.8°F October 21 78.1°F
October 25 77.4°F October 20 79.5°F
October 24 76.8°F October 19 80.8°F

When is the warmest sea in Mustang Island?

Based on the data about daily sea water temperature for the last three years the warmest sea in Mustang Island was noticed in August, September and July.

Monthly Sea Temperatures in Mustang Island, °F

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 85.0°F. The highest and lowest sea temperatures during the month were 86.4°F and 83.3°F.

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 86.4°F. The highest and lowest sea temperatures during the month were 87.3°F and 85.6°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 84.4°F. The highest and lowest sea temperatures during the month were 86.2°F and 82.2°F.

Best time for vacation in Mustang Island

Sunniest months:
August 17 days
July 16 days
October 15 days
Warmest months:
August 89.4 °F
July 88.4 °F
June 87.1 °F
Warmest sea temp:
August 86.2 °F
September 85.5 °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

Mustang Island
+72°F
SW 11 mph
Feels like: +77°F
Precip.: 4%
Places in USA:
Name
°F
+72°F
+75°F
+77°F
+68°F
+73°F
+82°F
+70°F
+68°F
+70°F
+61°F
+73°F
+84°F
+82°F
+75°F
+63°F
24 Hours Forecast
Mustang Island
Local time: 12:32
November 04, wednesday
1500
73°F
W
9 mph
1800
73°F
W
11 mph
2100
75°F
W
10 mph
November 05, thursday
0000
75°F
NW
9 mph
0300
75°F
NW
9 mph
0600
75°F
W
9 mph
0900
77°F
W
12 mph
1200
77°F
W
13 mph
Units of measurement: °C / °F