13.01
tue
tue
Day

54°F
SW 7 mph
Precip.
0%
0%
Night

59°F
E 7 mph
Precip.
0%
0%
14.01
wed
wed
Day

57°F
E 14 mph
Precip.
0%
0%
Night

55°F
S 20 mph
Precip.
0%
0%
15.01
thu
thu
Day

48°F
S 20 mph
Precip.
0%
0%
Night

46°F
SW 16 mph
Precip.
0%
0%
16.01
fri
fri
Day

54°F
NW 7 mph
Precip.
0%
0%
Night

61°F
NE 4 mph
Precip.
0%
0%
17.01
sat
sat
Day

61°F
SE 11 mph
Precip.
0%
0%
Night

54°F
S 16 mph
Precip.
0%
0%
18.01
sun
sun
Day

50°F
SW 14 mph
Precip.
0%
0%
Night

55°F
N 9 mph
Precip.
0%
0%
19.01
mon
mon
Day

63°F
N 11 mph
Precip.
0%
0%
Night

64°F
N 10 mph
Precip.
0%
0%
20.01
tue
tue
Day

66°F
NW 9 mph
Precip.
0%
0%
Night

66°F
NW 12 mph
Precip.
0%
0%
21.01
wed
wed
Day

68°F
NW 16 mph
Precip.
57%
57%
Night

68°F
NW 17 mph
Precip.
20%
20%
22.01
thu
thu
Day

70°F
N 11 mph
Precip.
29%
29%
Night

70°F
N 11 mph
Precip.
0%
0%
23.01
fri
fri
Day

70°F
NW 12 mph
Precip.
0%
0%
Night

70°F
NW 16 mph
Precip.
0%
0%
24.01
sat
sat
Day

70°F
NW 15 mph
Precip.
51%
51%
Night

70°F
N 17 mph
Precip.
0%
0%
25.01
sun
sun
Day

72°F
N 14 mph
Precip.
0%
0%
Night

70°F
NE 11 mph
Precip.
100%
100%
26.01
mon
mon
Day

68°F
S 12 mph
Precip.
20%
20%
Night

66°F
NW 14 mph
Precip.
0%
0%
sea water
temperature
temperature
| Grand Isle |
monthly
weather
weather
| Grand Isle |
current
weather
weather
| Grand Isle |
7 days
forecast
forecast
| Grand Isle |
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 61.0°F. The highest and lowest sea temperatures during the month were 67.6°F and 56.7°F.
Air temperature in Grand Isle, °F
Precipitation total in Grand Isle, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Grand Isle
Grand Isle on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Grand Isle
Local time: 19:52
January 13, tuesday
2100

59°F
E
6 mph
6 mph
January 14, wednesday
0000

59°F
E
7 mph
7 mph
0300

59°F
E
9 mph
9 mph
0600

57°F
SE
9 mph
9 mph
0900

55°F
E
8 mph
8 mph
1200

57°F
E
14 mph
14 mph
1500

61°F
E
16 mph
16 mph
1800

61°F
E
18 mph
18 mph




























