Current conditions at
Galliano, South Lafourche Airport (KGAO)
Lat: 29.44°NLon: 90.26°WElev: 0ft.
Fair
80°F
27°C
| Humidity | 53% |
| Wind Speed | N 6 mph |
| Barometer | 30.03 in |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 14 May 9:15 am CDT |
Extended Forecast for
Grand Isle LA
Today
High: 81 °F
Sunny
Tonight
Low: 75 °F
Increasing
CloudsFriday
High: 80 °F
Sunny
Friday Night
Low: 75 °F
Partly Cloudy
Saturday
High: 80 °F
Partly Sunny
Saturday Night
Low: 75 °F
Partly Cloudy
Sunday
High: 81 °F
Mostly Sunny
Sunday Night
Low: 76 °F
Partly Cloudy
Monday
High: 82 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 81. North wind 5 to 10 mph becoming south in the afternoon.
Tonight
Increasing clouds, with a low around 75. South wind 5 to 10 mph.
Friday
Sunny, with a high near 80. Southeast wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 80. Southeast wind around 10 mph.
Saturday Night
Partly cloudy, with a low around 75. Southeast wind around 10 mph.
Sunday
Mostly sunny, with a high near 81. Southeast wind 10 to 15 mph.
Sunday Night
Partly cloudy, with a low around 76. Southeast wind around 15 mph.
Monday
Mostly sunny, with a high near 82. Southeast wind around 15 mph.
Monday Night
Mostly cloudy, with a low around 77. Southeast wind 10 to 15 mph.
Tuesday
Partly sunny, with a high near 82. Southeast wind 10 to 15 mph.
Tuesday Night
Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph.
Wednesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 82. Southeast wind 5 to 10 mph.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Grand Isle LA
29.23°N 89.99°W
29.23°N 89.99°W
6:10 am CDT May 14, 2026
9am CDT May 14, 2026-6pm CDT May 20, 2026
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