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

40°F

4°C

Humidity 88%
Wind Speed Calm
Barometer 30.27 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 7 Feb 9:15 pm CST
Extended Forecast for

South Lafourche Airport LA

  • Tonight

    Tonight: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68. East wind around 5 mph becoming calm in the afternoon.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 70. Calm wind becoming south around 5 mph.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 70. Light southeast wind becoming south 5 to 10 mph.

    High: 70 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after midnight. Cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Cloudy then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers. Partly sunny, with a high near 74. Calm wind becoming south around 5 mph.

    High: 74 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 42. Calm wind.
Sunday
Sunny, with a high near 68. East wind around 5 mph becoming calm in the afternoon.
Sunday Night
Mostly clear, with a low around 46. Calm wind.
Monday
Mostly sunny, with a high near 70. Calm wind becoming south around 5 mph.
Monday Night
Mostly cloudy, with a low around 49. Calm wind.
Tuesday
Mostly cloudy, with a high near 70. Light southeast wind becoming south 5 to 10 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms after midnight. Cloudy, with a low around 53. Calm wind.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 74. Calm wind becoming south around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 53. Calm wind.
Thursday
Partly sunny, with a high near 72. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 53. South wind around 5 mph becoming calm.
Friday
A slight chance of showers. Partly sunny, with a high near 72. South wind 5 to 10 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 50. South wind around 5 mph becoming northeast after midnight.
Saturday
A chance of showers. Mostly cloudy, with a high near 68. Northwest wind 5 to 10 mph becoming southwest in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Lafourche Airport LA
 29.45°N 90.27°W
Last Update:
5:01 pm CST Feb 7, 2026
Forecast Valid:
9pm CST Feb 7, 2026-6pm CST Feb 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