Current conditions at
Galliano, South Lafourche Airport (KGAO)
Lat: 29.44°NLon: 90.26°WElev: 0ft.
Partly Cloudy
74°F
23°C
| Humidity | 89% |
| Wind Speed | SE 3 mph |
| Barometer | 30.09 in |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Last update | 10 Mar 9:15 pm CDT |
Extended Forecast for
15 Miles WSW Grand Isle LA
Tonight
Low: 69 °F
Mostly Cloudy
Wednesday
High: 80 °F
Patchy Fog
then Mostly
SunnyWednesday Night
Low: 59 °F
Showers then
T-stormsThursday
High: 71 °F
Chance
T-storms and
Breezy then
Slight Chance
ShowersThursday Night
Low: 56 °F
Mostly Clear
Friday
High: 71 °F
Sunny
Friday Night
Low: 61 °F
Mostly Clear
Saturday
High: 77 °F
Sunny
Saturday Night
Low: 65 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 69. Southeast wind 5 to 10 mph.
Wednesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 80. South wind around 10 mph.
Wednesday Night
Showers and possibly a thunderstorm. Low around 59. South wind around 10 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 71. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 56. North wind around 10 mph.
Friday
Sunny, with a high near 71. Northeast wind around 5 mph.
Friday Night
Mostly clear, with a low around 61. Calm wind becoming east around 5 mph.
Saturday
Sunny, with a high near 77. East wind around 5 mph.
Saturday Night
Mostly clear, with a low around 65. Southeast wind around 5 mph.
Sunday
Sunny, with a high near 79. Southwest wind 5 to 10 mph.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57. Southwest wind 5 to 10 mph becoming west after midnight.
Monday
Mostly cloudy, with a high near 69. North wind 10 to 15 mph.
Monday Night
Mostly cloudy, with a low around 48. North wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 63. Northeast wind around 15 mph.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
15 Miles WSW Grand Isle LA
29.13°N 90.2°W
29.13°N 90.2°W
5:51 pm CDT Mar 10, 2026
9pm CDT Mar 10, 2026-6pm CDT Mar 17, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
