Current conditions at
Galliano, South Lafourche Airport (KGAO)
Lat: 29.44°NLon: 90.26°WElev: 0ft.
Fair
60°F
16°C
| Humidity | 35% |
| Wind Speed | E 5 mph |
| Barometer | 30.33 in |
| Dewpoint | 33°F (1°C) |
| Visibility | 10.00 mi |
| Last update | 18 Mar 12:55 pm CDT |
Extended Forecast for
Grand Isle LA
This Afternoon
High: 62 °F
Mostly Cloudy
Tonight
Low: 59 °F
Clear
Thursday
High: 67 °F
Sunny
Thursday Night
Low: 62 °F
Mostly Clear
Friday
High: 70 °F
Sunny
Friday Night
Low: 65 °F
Mostly Clear
Saturday
High: 72 °F
Sunny
Saturday Night
Low: 66 °F
Mostly Clear
Sunday
High: 73 °F
Sunny
Detailed Forecast
This Afternoon
Mostly cloudy, with a high near 62. East wind 5 to 10 mph.
Tonight
Mostly cloudy during the early evening, then becoming clear, with a low around 59. East wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 67. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 62. Southwest wind around 5 mph.
Friday
Sunny, with a high near 70. Southwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 65. Southwest wind 5 to 10 mph.
Saturday
Sunny, with a high near 72. Southwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 66. Southwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 73. Southwest wind 5 to 10 mph.
Sunday Night
Clear, with a low around 66. Southwest wind 5 to 10 mph.
Monday
Sunny, with a high near 74. South wind around 5 mph.
Monday Night
Mostly clear, with a low around 65. Southwest wind around 5 mph becoming north after midnight.
Tuesday
Sunny, with a high near 72. Northeast wind around 5 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
12:02 pm CDT Mar 18, 2026
1pm CDT Mar 18, 2026-6pm CDT Mar 24, 2026
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