18.12
thu
thu
Day

72°F
NE 11 mph
Precip.
0%
0%
Night

63°F
SW 18 mph
Precip.
0%
0%
19.12
fri
fri
Day

59°F
W 15 mph
Precip.
0%
0%
Night

61°F
NW 9 mph
Precip.
0%
0%
20.12
sat
sat
Day

64°F
N 14 mph
Precip.
0%
0%
Night

68°F
N 16 mph
Precip.
0%
0%
21.12
sun
sun
Day

73°F
N 11 mph
Precip.
0%
0%
Night

72°F
N 11 mph
Precip.
0%
0%
22.12
mon
mon
Day

72°F
NW 8 mph
Precip.
43%
43%
Night

70°F
NW 9 mph
Precip.
0%
0%
23.12
tue
tue
Day

72°F
NW 11 mph
Precip.
0%
0%
Night

70°F
NW 10 mph
Precip.
0%
0%
24.12
wed
wed
Day

72°F
NW 12 mph
Precip.
49%
49%
Night

70°F
N 12 mph
Precip.
0%
0%
25.12
thu
thu
Day

72°F
N 10 mph
Precip.
0%
0%
Night

68°F
N 11 mph
Precip.
0%
0%
26.12
fri
fri
Day

72°F
N 9 mph
Precip.
0%
0%
Night

68°F
NW 7 mph
Precip.
0%
0%
27.12
sat
sat
Day

72°F
NW 9 mph
Precip.
100%
100%
Night

68°F
NW 8 mph
Precip.
0%
0%
28.12
sun
sun
Day

70°F
W 9 mph
Precip.
45%
45%
Night

66°F
W 14 mph
Precip.
41%
41%
29.12
mon
mon
Day

61°F
SW 25 mph
Precip.
59%
59%
Night

59°F
W 26 mph
Precip.
86%
86%
30.12
tue
tue
Day

50°F
SW 27 mph
Precip.
100%
100%
Night

48°F
SW 23 mph
Precip.
49%
49%
31.12
wed
wed
Day

46°F
S 24 mph
Precip.
100%
100%
Night

46°F
S 15 mph
Precip.
100%
100%
sea water
temperature
temperature
| Mustang Island |
monthly
weather
weather
| Mustang Island |
current
weather
weather
| Mustang Island |
7 days
forecast
forecast
| Mustang Island |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 67.3°F. The highest and lowest sea temperatures during the month were 72.7°F and 63.7°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 59.1°F. The highest and lowest sea temperatures during the month were 66.9°F and 53.1°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
Mustang Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Mustang Island
Local time: 14:03
December 18, thursday
1500

73°F
NE
11 mph
11 mph
1800

73°F
SE
2 mph
2 mph
2100

66°F
W
4 mph
4 mph
December 19, friday
0000

63°F
SW
18 mph
18 mph
0300

59°F
SW
20 mph
20 mph
0600

55°F
SW
16 mph
16 mph
0900

55°F
SW
14 mph
14 mph
1200

59°F
W
15 mph
15 mph




























