Current conditions at
Galliano, South Lafourche Airport (KGAO)
Lat: 29.44°NLon: 90.26°WElev: 0ft.
Fair
46°F
8°C
| Humidity | 57% |
| Wind Speed | NE 5 mph |
| Barometer | 30.42 in |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 44°F (7°C) |
| Last update | 12 Jan 4:55 am CST |
Extended Forecast for
Grand Isle LA
Today

High: 55 °F
Partly Sunny
Tonight

Low: 51 °F
Partly Cloudy
Tuesday

High: 59 °F
Mostly Sunny
Tuesday Night
Low: 55 °F
Mostly Cloudy
then Slight
Chance
ShowersWednesday
High: 64 °F
Mostly Sunny
then Mostly
Sunny and
BreezyWednesday Night

Low: 43 °F
Partly Cloudy
and BreezyThursday
High: 50 °F
Sunny and
Breezy then
SunnyThursday Night

Low: 44 °F
Mostly Clear
Friday

High: 59 °F
Sunny
Detailed Forecast
Today
Partly sunny, with a high near 55. Northeast wind 10 to 15 mph.
Tonight
Partly cloudy, with a low around 51. Northeast wind around 10 mph.
Tuesday
Mostly sunny, with a high near 59. Northeast wind 5 to 10 mph becoming light north in the afternoon.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 55. Light and variable wind becoming west 5 to 10 mph after midnight.
Wednesday
Mostly sunny, with a high near 64. Breezy, with a west wind 10 to 20 mph.
Wednesday Night
Partly cloudy, with a low around 43. Breezy, with a north wind 20 to 25 mph.
Thursday
Sunny, with a high near 50. Breezy, with a north wind 20 to 25 mph decreasing to 15 to 20 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 44. North wind 5 to 15 mph.
Friday
Sunny, with a high near 59. North wind 5 to 10 mph becoming south in the afternoon.
Friday Night
Partly cloudy, with a low around 51. South wind 10 to 15 mph becoming northwest after midnight.
Saturday
Mostly sunny, with a high near 58. Northwest wind around 15 mph.
Saturday Night
Mostly clear, with a low around 46. Northwest wind around 15 mph.
Sunday
Sunny, with a high near 57. North wind 10 to 15 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Grand Isle LA
29.23°N 89.99°W
29.23°N 89.99°W
11:31 pm CST Jan 11, 2026
5am CST Jan 12, 2026-6pm CST Jan 18, 2026


