Current conditions at
Galliano, South Lafourche Airport (KGAO)
Lat: 29.44°NLon: 90.26°WElev: 0ft.
Overcast and Breezy
58°F
14°C
| Humidity | 78% |
| Wind Speed | N 21 G 30 mph |
| Barometer | 30.17 in |
| Dewpoint | 51°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 12 Mar 8:35 am CDT |
Extended Forecast for
15 Miles WSW Grand Isle LA
Today

High: 69 °F
Becoming
SunnyTonight

Low: 54 °F
Mostly Clear
Friday

High: 72 °F
Sunny
Friday Night

Low: 60 °F
Mostly Clear
Saturday

High: 76 °F
Sunny
Saturday Night

Low: 64 °F
Partly Cloudy
Sunday

High: 78 °F
Mostly Sunny
Sunday Night
Low: 53 °F
Partly Cloudy
then Chance
T-stormsMonday

High: 65 °F
Slight Chance
T-storms and
Breezy
Detailed Forecast
Today
Partly sunny, then gradually becoming sunny, with a high near 69. North wind around 15 mph, with gusts as high as 35 mph.
Tonight
Mostly clear, with a low around 54. Northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 72. Northeast wind around 5 mph becoming southeast in the afternoon.
Friday Night
Mostly clear, with a low around 60. Calm wind becoming southeast around 5 mph.
Saturday
Sunny, with a high near 76. East wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 64. East wind around 5 mph.
Sunday
Mostly sunny, with a high near 78. Southwest wind 5 to 10 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 53. South wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Monday
A slight chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 65. Breezy, with a north wind 15 to 20 mph.
Monday Night
Mostly cloudy, with a low around 47. North wind around 15 mph.
Tuesday
Mostly sunny, with a high near 63. Northeast wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 52. East wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 69. East wind 5 to 10 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
15 Miles WSW Grand Isle LA
29.13°N 90.2°W
29.13°N 90.2°W
6:19 am CDT Mar 12, 2026
8am CDT Mar 12, 2026-6pm CDT Mar 18, 2026


