Grand Isle, LA

See Radar

Current Weather Forecast for Grand Isle

LA 70358  |   1:04am

Weather Conditions

85°
Feels Like 95°
Fair / Mostly Clear
Fair
82° 87°
UV Index
0
UV Index
Air Quality
Good
Air Quality
Wind
WNW 3 mph
Wind
Rain
0 in
rain

Tonight

Sun 8/17
83°
Lowest Temperature
Partly Cloudy
4%
Some clouds. Low 83F. Winds light and variable.

Tomorrow

Mon 8/18
88°
Highest Temperature
Partly / Cloudy
22%
Sunshine and clouds mixed. A stray shower or thunderstorm is possible. High 88F. Winds NE at 5 to 10 mph.

Tomorrow night

Mon 8/18
82°
Lowest Temperature
Partly Cloudy
9%
Partly cloudy. Low 82F. Winds light and variable.

Local Weather Radar - Grand Isle, LA

Live Grand Isle Local Radar Forecast by FOX Weather

Next 12 Hours Forecast in Grand Isle

Hourly Weather Forecast & Temperature

2AM
Fair / Mostly Clear
4%
84°
Feels Like 94°
Mostly Clear
Wind
NW 3 mph
Wind
Pressure
1013 mb
Pressure
Humidity
77%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
21%
Cloud Cover
3AM
Partly Cloudy
2%
84°
Feels Like 94°
Partly Cloudy
Wind
NW 2 mph
Wind
Pressure
1013 mb
Pressure
Humidity
79%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
33%
Cloud Cover
4AM
Partly Cloudy
3%
84°
Feels Like 94°
Partly Cloudy
Wind
NW 3 mph
Wind
Pressure
1013 mb
Pressure
Humidity
80%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
49%
Cloud Cover
5AM
Partly Cloudy
4%
84°
Feels Like 94°
Partly Cloudy
Wind
NNW 4 mph
Wind
Pressure
1013 mb
Pressure
Humidity
81%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
59%
Cloud Cover
6AM
Partly Cloudy
2%
84°
Feels Like 95°
Partly Cloudy
Wind
NNW 4 mph
Wind
Pressure
1013 mb
Pressure
Humidity
81%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
58%
Cloud Cover
7AM
Partly / Cloudy
3%
84°
Feels Like 95°
Partly Cloudy
Wind
NNW 4 mph
Wind
Pressure
1014 mb
Pressure
Humidity
82%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
48%
Cloud Cover
8AM
Partly / Cloudy
5%
84°
Feels Like 97°
Partly Cloudy
Wind
N 6 mph
Wind
Pressure
1014 mb
Pressure
Humidity
83%
Humidity
UV Index
1
UV Index
Visibility
10mi
Visibility
Visibility
35%
Cloud Cover
9AM
Partly / Cloudy
7%
85°
Feels Like 98°
Partly Cloudy
Wind
N 6 mph
Wind
Pressure
1014 mb
Pressure
Humidity
80%
Humidity
UV Index
2
UV Index
Visibility
10mi
Visibility
Visibility
31%
Cloud Cover
10AM
Fair / Mostly Sunny
8%
86°
Feels Like 97°
Mostly Sunny
Wind
NNE 7 mph
Wind
Pressure
1015 mb
Pressure
Humidity
78%
Humidity
UV Index
5
UV Index
Visibility
10mi
Visibility
Visibility
20%
Cloud Cover
11AM
Sunny
6%
86°
Feels Like 98°
Sunny
Wind
NNE 7 mph
Wind
Pressure
1015 mb
Pressure
Humidity
76%
Humidity
UV Index
8
UV Index
Visibility
10mi
Visibility
Visibility
16%
Cloud Cover
12PM
Sunny
7%
86°
Feels Like 98°
Sunny
Wind
NE 6 mph
Wind
Pressure
1015 mb
Pressure
Humidity
73%
Humidity
UV Index
10
UV Index
Visibility
10mi
Visibility
Visibility
8%
Cloud Cover
1PM
Partly / Cloudy
15%
87°
Feels Like 98°
Partly Cloudy
Wind
NE 7 mph
Wind
Pressure
1014 mb
Pressure
Humidity
72%
Humidity
UV Index
11
UV Index
Visibility
10mi
Visibility
Visibility
39%
Cloud Cover
Sun 8/17
Sun
Partly Cloudy
4%
82°
87°
Partly cloudy. Lows overnight in the low 80s.
Feels Like
95°
Feels Like
Wind
NW 4 mph
Wind
Humidity
80%
Humidity
UV Index
0
UV Index
Visibility
6:30 AM
Sunrise
Visibility
7:37 PM
Sunset
Mon 8/18
Mon
Partly / Cloudy
22%
83°
91°
Partly cloudy. Highs in the upper 80s and lows in the low 80s.
Feels Like
98°
Feels Like
Wind
NE 7 mph
Wind
Humidity
74%
Humidity
UV Index
11
UV Index
Visibility
6:30 AM
Sunrise
Visibility
7:36 PM
Sunset
Tue 8/19
Tue
Fair / Mostly Sunny
14%
82°
88°
Mostly sunny. Highs in the mid 80s and lows in the low 80s.
Feels Like
96°
Feels Like
Wind
NE 8 mph
Wind
Humidity
74%
Humidity
UV Index
11
UV Index
Visibility
6:31 AM
Sunrise
Visibility
7:35 PM
Sunset
Wed 8/20
Wed
Scattered Thunderstorms
41%
81°
86°
Morning thunderstorms. Highs in the mid 80s and lows in the low 80s.
Feels Like
93°
Feels Like
Wind
ENE 9 mph
Wind
Humidity
75%
Humidity
UV Index
10
UV Index
Visibility
6:31 AM
Sunrise
Visibility
7:34 PM
Sunset
Thu 8/21
Thu
Fair / Mostly Sunny
24%
81°
85°
More sun than clouds. Highs in the mid 80s and lows in the low 80s.
Feels Like
93°
Feels Like
Wind
E 7 mph
Wind
Humidity
72%
Humidity
UV Index
11
UV Index
Visibility
6:32 AM
Sunrise
Visibility
7:33 PM
Sunset
Fri 8/22
Fri
Isolated Thunderstorms
33%
80°
86°
Partly cloudy, chance of a thunderstorm. Highs in the mid 80s and lows in the upper 70s.
Feels Like
93°
Feels Like
Wind
WSW 8 mph
Wind
Humidity
74%
Humidity
UV Index
10
UV Index
Visibility
6:32 AM
Sunrise
Visibility
7:32 PM
Sunset
Sat 8/23
Sat
Isolated Thunderstorms
32%
80°
85°
Isolated thunderstorms. Highs in the mid 80s and lows in the upper 70s.
Feels Like
92°
Feels Like
Wind
W 6 mph
Wind
Humidity
75%
Humidity
UV Index
8
UV Index
Visibility
6:33 AM
Sunrise
Visibility
7:31 PM
Sunset
Sun 8/24
Sun
Scattered Thunderstorms
47%
79°
85°
Scattered thunderstorms. Highs in the mid 80s and lows in the low 80s.
Feels Like
93°
Feels Like
Wind
WNW 7 mph
Wind
Humidity
75%
Humidity
UV Index
9
UV Index
Visibility
6:33 AM
Sunrise
Visibility
7:30 PM
Sunset
Need to see beyond 12 Hours?
Find more forecast on the FREE FOX WEATHER App

Latest Stories from Louisiana

Human case of West Nile virus confirmed in New Orleans

Louisiana health officials have confirmed the first human case of West Nile virus in Orleans Parish this year, as mosquito season peaks across the region. The CDC reports being notified of at least 140 West Nile cases nationwide in 2025.

Loading...