World Resorts USA Grand Isle Weather

Grand Isle 14 Days Forecast

21.12
sat
Day
48°F
SW 15 mph
Precip.
0%
Night
50°F
SW 16 mph
Precip.
0%
22.12
sun
Day
52°F
SW 14 mph
Precip.
0%
Night
55°F
W 12 mph
Precip.
0%
23.12
mon
Day
61°F
W 11 mph
Precip.
0%
Night
59°F
SW 6 mph
Precip.
0%
24.12
tue
Day
63°F
W 11 mph
Precip.
0%
Night
66°F
NW 10 mph
Precip.
0%
25.12
wed
Day
70°F
NE 12 mph
Precip.
81%
Night
68°F
NW 7 mph
Precip.
0%
26.12
thu
Day
68°F
NW 12 mph
Precip.
25%
Night
68°F
NW 15 mph
Precip.
78%
27.12
fri
Day
68°F
NW 19 mph
Precip.
0%
Night
70°F
NW 20 mph
Precip.
46%
28.12
sat
Day
68°F
NW 11 mph
Precip.
100%
Night
68°F
N 2 mph
Precip.
0%
29.12
sun
Day
68°F
S 9 mph
Precip.
0%
Night
64°F
SW 9 mph
Precip.
0%
30.12
mon
Day
63°F
NW 7 mph
Precip.
0%
Night
66°F
N 10 mph
Precip.
0%
31.12
tue
Day
70°F
NE 15 mph
Precip.
100%
Night
64°F
NW 16 mph
Precip.
0%
01.01
wed
Day
57°F
S 19 mph
Precip.
0%
Night
54°F
S 19 mph
Precip.
0%
02.01
thu
Day
52°F
SW 16 mph
Precip.
0%
Night
54°F
SW 14 mph
Precip.
0%
03.01
fri
Day
54°F
W 22 mph
Precip.
0%
Night
48°F
SW 36 mph
Precip.
100%

Sea water temperature in December, °F

Show year:
2024
2023
2022

The average sea water temperature in December of 2024 was 66.1°F. The highest and lowest sea temperatures during the month were 69.8°F and 63.9°F.

Sea water temperature in January, °F

Show year:
2024
2023
2022

The average sea water temperature in January of 2024 was 59.8°F. The highest and lowest sea temperatures during the month were 62.4°F and 55.9°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

Sunniest months:
October 15 days
May 13 days
January 12 days
Warmest months:
August 85.9 °F
July 85.3 °F
June 83.7 °F
Warmest sea temp:
August 88.0 °F
July 87.0 °F
June 84.8 °F
Coldest months:
January 59.6 °F
February 61.3 °F
December 63.2 °F
Rainiest months:
July 6 days
August 5 days
June 4 days
Windiest months:
November 13.0 mph
April 13.0 mph
January 12.8 mph

Grand Isle on a weather map

Grand Isle
+52°F
SW 15 mph
Feels like: +46°F
Precip.: 0%
Places in USA:
Name
°F
+23°F
+28°F
+77°F
+77°F
+61°F
+59°F
+68°F
+25°F
+55°F
+57°F
+55°F
+55°F
+54°F
+61°F
+25°F
24 Hours Forecast
Grand Isle
Local time: 19:13
December 21, saturday
2100
52°F
SW
15 mph
December 22, sunday
0000
50°F
SW
16 mph
0300
50°F
SW
15 mph
0600
50°F
SW
14 mph
0900
50°F
SW
16 mph
1200
52°F
SW
14 mph
1500
54°F
SW
11 mph
1800
54°F
SW
14 mph
Units of measurement: °C / °F