12.01
mon
mon
Day

54°F
SW 13 mph
Precip.
0%
0%
Night

54°F
SW 10 mph
Precip.
0%
0%
13.01
tue
tue
Day

54°F
SW 9 mph
Precip.
0%
0%
Night

57°F
E 9 mph
Precip.
0%
0%
14.01
wed
wed
Day

61°F
E 14 mph
Precip.
0%
0%
Night

57°F
SE 19 mph
Precip.
0%
0%
15.01
thu
thu
Day

43°F
S 22 mph
Precip.
0%
0%
Night

46°F
SW 15 mph
Precip.
0%
0%
16.01
fri
fri
Day

52°F
W 11 mph
Precip.
0%
0%
Night

63°F
NW 17 mph
Precip.
44%
44%
17.01
sat
sat
Day

64°F
NW 22 mph
Precip.
0%
0%
Night

68°F
N 23 mph
Precip.
77%
77%
18.01
sun
sun
Day

54°F
S 24 mph
Precip.
100%
100%
Night

50°F
S 16 mph
Precip.
0%
0%
19.01
mon
mon
Day

54°F
NE 12 mph
Precip.
0%
0%
Night

55°F
SW 14 mph
Precip.
0%
0%
20.01
tue
tue
Day

55°F
W 14 mph
Precip.
100%
100%
Night

61°F
W 19 mph
Precip.
100%
100%
21.01
wed
wed
Day

63°F
SW 12 mph
Precip.
72%
72%
Night

64°F
W 7 mph
Precip.
26%
26%
22.01
thu
thu
Day

66°F
W 11 mph
Precip.
78%
78%
Night

70°F
NW 12 mph
Precip.
63%
63%
23.01
fri
fri
Day

70°F
NW 11 mph
Precip.
0%
0%
Night

70°F
NW 11 mph
Precip.
0%
0%
24.01
sat
sat
Day

70°F
NW 12 mph
Precip.
51%
51%
Night

70°F
NW 9 mph
Precip.
0%
0%
25.01
sun
sun
Day

70°F
NW 9 mph
Precip.
0%
0%
Night

70°F
N 8 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: 07:18
January 12, monday
0900

52°F
SW
16 mph
16 mph
1200

54°F
SW
13 mph
13 mph
1500

55°F
SW
13 mph
13 mph
1800

54°F
SW
12 mph
12 mph
2100

54°F
SW
12 mph
12 mph
January 13, tuesday
0000

54°F
SW
10 mph
10 mph
0300

52°F
SW
10 mph
10 mph
0600

52°F
S
7 mph
7 mph




























