National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Fair

61°F

16°C

Humidity 80%
Wind Speed NE 3 mph
Barometer 30.07 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 8 Apr 3:55 am CDT
Extended Forecast for

2 Miles NE Grand Isle LA

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 73. Breezy, with an east wind around 20 mph.

    High: 73 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms between midnight and 1am, then a slight chance of showers. Partly cloudy, with a low around 65. Breezy, with an east wind around 20 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 73. Breezy, with an east wind around 20 mph.

    High: 73 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68. Breezy, with an east wind 15 to 20 mph.

    Low: 68 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 74. East wind around 15 mph.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 68. East wind 10 to 15 mph.

    Low: 68 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75. East wind 10 to 15 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. East wind around 15 mph.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 75. Southeast wind around 15 mph.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 73. Breezy, with an east wind around 20 mph.
Tonight
A chance of showers and thunderstorms between midnight and 1am, then a slight chance of showers. Partly cloudy, with a low around 65. Breezy, with an east wind around 20 mph. Chance of precipitation is 30%.
Thursday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 73. Breezy, with an east wind around 20 mph.
Thursday Night
Partly cloudy, with a low around 68. Breezy, with an east wind 15 to 20 mph.
Friday
Mostly sunny, with a high near 74. East wind around 15 mph.
Friday Night
Partly cloudy, with a low around 68. East wind 10 to 15 mph.
Saturday
Sunny, with a high near 75. East wind 10 to 15 mph.
Saturday Night
Mostly clear, with a low around 69. East wind around 15 mph.
Sunday
Mostly sunny, with a high near 75. Southeast wind around 15 mph.
Sunday Night
Partly cloudy, with a low around 70. Breezy, with a southeast wind 15 to 20 mph.
Monday
Partly sunny, with a high near 76. Southeast wind around 15 mph.
Monday Night
Partly cloudy, with a low around 71. Southeast wind around 15 mph.
Tuesday
Mostly sunny, with a high near 76. Southeast wind 10 to 15 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Grand Isle LA
 29.26°N 89.96°W
Last Update:
3:40 am CDT Apr 8, 2026
Forecast Valid:
4am CDT Apr 8, 2026-6pm CDT Apr 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation