World Resorts USA Grand Isle Weather

Grand Isle 7 Days Forecast

02.01
fri
Day
68°F
NE 20 mph
Precip.
0%
Night
70°F
NE 22 mph
Precip.
0%
03.01
sat
Day
70°F
E 24 mph
Precip.
0%
Night
66°F
S 16 mph
Precip.
0%
04.01
sun
Day
59°F
SW 13 mph
Precip.
0%
Night
61°F
W 6 mph
Precip.
0%
05.01
mon
Day
63°F
NW 6 mph
Precip.
0%
Night
64°F
NW 6 mph
Precip.
0%
06.01
tue
Day
68°F
N 9 mph
Precip.
0%
Night
68°F
NE 10 mph
Precip.
0%
07.01
wed
Day
70°F
NE 8 mph
Precip.
0%
Night
68°F
N 7 mph
Precip.
0%
08.01
thu
Day
68°F
NW 12 mph
Precip.
0%
Night
68°F
NW 15 mph
Precip.
0%

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

Sunniest months:
October 18 days
September 15 days
November 14 days
Warmest months:
August 85.8 °F
July 85.4 °F
June 83.7 °F
Warmest sea temp:
August 88.0 °F
July 87.2 °F
June 85.0 °F
Coldest months:
January 58.6 °F
February 61.2 °F
December 62.4 °F
Rainiest months:
July 5 days
June 4 days
August 4 days
Windiest months:
January 13.2 mph
March 13.0 mph
April 13.0 mph

Grand Isle on a weather map

Current weather
03:29
Grand Isle
+64°F
NE 11 mph
Feels like: +64°F
Precip.: 0%
Places in USA:
Name
°F
Washington
+27°F
Hawaii
+73°F
Honolulu
+73°F
Las Vegas
+48°F
Los Angeles
+55°F
Miami
+48°F
Miami Beach
+61°F
Maui
+66°F
New York
+23°F
San Diego
+61°F
San Francisco
+54°F
Sarasota
+48°F
Tampa
+50°F
Houston
+61°F
Chicago
+14°F
all places
24 Hours Forecast
Grand Isle
Local time: 03:29
January 02, friday
0600
66°F
NE
14 mph
0900
66°F
NE
14 mph
1200
68°F
NE
20 mph
1500
68°F
NE
22 mph
1800
68°F
NE
22 mph
2100
70°F
NE
22 mph
January 03, saturday
0000
70°F
NE
22 mph
0300
70°F
NE
22 mph
Units of measurement: °C / °F