Grand Isle, LA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Tue
Jun 9
Partly Cloudy
Close Hourly
83º / 79º 6% ESE 12 mph 81%
5am Partly Cloudy 80º 4% SE 10 mph 84%
6am Partly Cloudy 80º 9% SE 10 mph 85%
7am Mostly Cloudy 80º 3% ESE 9 mph 85%
8am Cloudy 82º 3% ESE 9 mph 83%
9am Mostly Cloudy 81º 2% ESE 9 mph 82%
10am Mostly Cloudy 82º 2% ESE 9 mph 82%
11am Mostly Cloudy 82º 4% ESE 10 mph 82%
12pm Partly Cloudy 82º 6% ESE 11 mph 80%
1pm Partly Cloudy 83º 6% ESE 11 mph 79%
2pm Partly Cloudy 83º 6% ESE 10 mph 78%
3pm Partly Cloudy 83º 6% ESE 11 mph 79%
4pm Partly Cloudy 82º 6% SE 11 mph 79%
5pm Partly Cloudy 82º 5% SE 12 mph 80%
6pm Partly Cloudy 82º 5% SE 12 mph 78%
7pm Partly Cloudy 82º 5% SE 12 mph 78%
8pm Mostly Clear 81º 5% ESE 11 mph 80%
9pm Mostly Clear 81º 5% ESE 11 mph 81%
10pm Mostly Clear 81º 6% ESE 11 mph 82%
11pm Partly Cloudy 81º 7% ESE 11 mph 83%
Wed
Jun 10
Mostly Sunny
View Hourly
83º / 79º 16% SE 12 mph 79%
12am Partly Cloudy 80º 12% SE 11 mph 84%
1am Partly Cloudy 81º 12% SE 11 mph 84%
2am Partly Cloudy 80º 15% SE 10 mph 84%
3am Partly Cloudy 80º 14% SE 9 mph 84%
4am Partly Cloudy 81º 13% SE 9 mph 83%
5am Partly Cloudy 80º 7% SE 8 mph 83%
6am Partly Cloudy 80º 11% SE 8 mph 84%
7am Partly Cloudy 80º 16% SE 7 mph 84%
8am Partly Cloudy 81º 13% SE 8 mph 83%
9am Partly Cloudy 81º 10% SE 9 mph 81%
10am Partly Cloudy 82º 10% ESE 9 mph 81%
11am Partly Cloudy 82º 10% ESE 10 mph 80%
12pm Partly Cloudy 82º 7% SE 10 mph 79%
1pm Partly Cloudy 83º 7% SE 10 mph 77%
2pm Mostly Sunny 83º 6% SE 11 mph 77%
3pm Mostly Sunny 83º 6% SE 11 mph 77%
4pm Mostly Sunny 83º 6% SE 11 mph 77%
5pm Sunny 82º 6% SE 11 mph 78%
6pm Sunny 82º 6% SE 12 mph 77%
7pm Sunny 82º 6% SE 11 mph 78%
8pm Mostly Clear 81º 13% SE 11 mph 79%
9pm Mostly Clear 80º 6% SE 11 mph 80%
10pm Clear 80º 6% SE 11 mph 79%
11pm Mostly Clear 80º 13% SE 11 mph 80%
Thu
Jun 11
Partly Cloudy
View Hourly
84º / 80º 15% SE 12 mph 79%
12am Mostly Clear 81º 10% SSE 10 mph 80%
1am Mostly Clear 80º 13% SSE 9 mph 81%
2am Mostly Clear 80º 14% SSE 9 mph 81%
3am Mostly Clear 81º 14% SSE 8 mph 80%
4am Partly Cloudy 81º 6% SSE 7 mph 80%
Fri
Jun 12
Partly Cloudy 84º / 80º 24% S 9 mph 77%
Sat
Jun 13
Mostly Sunny 85º / 81º 9% SW 10 mph 75%
Sun
Jun 14
Partly Cloudy 85º / 81º 11% SSW 12 mph 74%
Mon
Jun 15
Partly Cloudy 85º / 80º 24% SSW 13 mph 75%
Tue
Jun 16
Scattered Thunderstorms 84º / 79º 39% SW 14 mph 78%

Weather Radar for Grand Isle, LA See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Grand Isle, LA

Tuesday
High : 85ºF
SE wind 5 to 10 kt. Mostly cloudy through mid morning, then gradual clearing. Seas around 1 ft.
Tuesday Night
Low : 81ºF
SE wind 5 to 10 kt. Mostly clear. Seas around 1 ft.
Wednesday
High : 85ºF
SE wind 5 to 10 kt. Mostly sunny. Seas around 1 ft.
Wednesday Night
Low : 81ºF
SE wind 5 to 10 kt. Mostly clear. Seas around 1 ft.
Thursday
High : 86ºF
SE wind 5 to 10 kt. Sunny. Seas around 1 ft.
Thursday Night
Low : 81ºF
SSE wind 5 to 10 kt. Mostly clear. Seas around 1 ft.
Friday
High : 86ºF
Variable winds 5 kt or less. Sunny. Seas around 1 ft.
Friday Night
Low : 82ºF
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
Saturday
High : 86ºF
Variable winds 5 kt or less. Mostly sunny. Seas around 1 ft.

NOAA Buoy Data Near Grand Isle, LA See Map

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    Wind Speed Forecast for Grand Isle, LA

    TuesdayWednesdayThursday
    Wind Speed (MPH) 10911121111891011119
    10am2pm6pm10pm2am6am10am2pm6pm10pm2am6am
    MPH 10911121111891011119
    DIR SEESEESESEESESESESESESESESSE

    Current Weather Conditions In Grand Isle, LA

    As Of: 14 minutes ago

    • 80ºF
    • 87ºF
    • 10mph
    • 0º (SE)
    • 10mph
    • Partly Cloudy
    • 10mi
    • 30.06"
    • 84%
    • 0ºF

    The weather right now in Grand Isle, LA is Partly Cloudy. The current temperature is 80°F, and the expected high and low for today, Tuesday, June 9, 2026, are 83° high temperature and 79°F low temperature. The wind is currently blowing at 10 miles per hour, and coming from the Southeast. The wind is gusting to 10 mph. With the wind and the atmosphere the temperature feels like 87° Fahrenheit. Expected precipitation is 4 percent, with current humidity at 84 percent, and air pressure at 30.06 in. Visibility is 10 nautical miles. There are no current weather alert(s).