World Resorts USA Grand Isle Weather

Grand Isle 7 Days Forecast

12.06
fri
Day
82°F
NW 9 mph
Precip.
14%
Night
82°F
NE 11 mph
Precip.
9%
13.06
sat
Day
84°F
NW 6 mph
Precip.
6%
Night
82°F
NE 12 mph
Precip.
7%
14.06
sun
Day
84°F
N 6 mph
Precip.
4%
Night
82°F
NE 10 mph
Precip.
8%
15.06
mon
Day
84°F
NE 9 mph
Precip.
5%
Night
82°F
N 12 mph
Precip.
12%
16.06
tue
Day
84°F
NE 19 mph
Precip.
20%
Night
81°F
N 17 mph
Precip.
18%
17.06
wed
Day
84°F
NE 18 mph
Precip.
16%
Night
82°F
N 19 mph
Precip.
12%
18.06
thu
Day
84°F
N 14 mph
Precip.
16%
Night
82°F
N 15 mph
Precip.
11%

Sea water temperature in June, °F

Show year:
2025
2024
2023

The average sea water temperature in June of 2025 was 86.2°F. The highest and lowest sea temperatures during the month were 89.1°F and 83.5°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 58.3 °F
February 60.8 °F
December 62.4 °F
Rainiest months:
July 5 days
June 4 days
August 4 days
Windiest months:
January 13.2 mph
April 13.2 mph
March 12.9 mph

Grand Isle on a weather map

Current weather
22:43
Grand Isle
+82°F
NE 11 mph
Feels like: +90°F
Precip.: 9%
Places in USA:
Name
°F
Hawaii
+77°F
Honolulu
+77°F
Las Vegas
+95°F
Los Angeles
+66°F
Miami
+77°F
Miami Beach
+79°F
Maui
+72°F
New York
+77°F
San Diego
+68°F
San Francisco
+55°F
Santa Monica
+66°F
Sarasota
+81°F
Tampa
+79°F
Houston
+79°F
Chicago
+61°F
all places
24 Hours Forecast
Grand Isle
Local time: 22:43
June 13, saturday
0000
82°F
NE
11 mph
0300
82°F
NE
7 mph
0600
81°F
E
5 mph
0900
82°F
SE
3 mph
1200
84°F
NW
6 mph
1500
86°F
N
11 mph
1800
84°F
N
12 mph
2100
82°F
NE
12 mph
Units of measurement: °C / °F