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

47°F

8°C

Humidity 85%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 9 Dec 5:15 pm CST
Extended Forecast for

South Lafourche Airport LA

  • Tonight

    Tonight: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. Calm wind becoming west around 5 mph.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. Calm wind becoming north around 5 mph after midnight.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 63. Northeast wind around 5 mph becoming calm in the afternoon.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 73. Calm wind becoming south around 5 mph.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73. Calm wind becoming southeast around 5 mph.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 44. Calm wind.
Wednesday
Sunny, with a high near 69. Calm wind becoming west around 5 mph.
Wednesday Night
Mostly clear, with a low around 46. Calm wind becoming north around 5 mph after midnight.
Thursday
Sunny, with a high near 63. Northeast wind around 5 mph becoming calm in the afternoon.
Thursday Night
Mostly clear, with a low around 49. Calm wind.
Friday
Mostly sunny, with a high near 73. Calm wind becoming south around 5 mph.
Friday Night
Partly cloudy, with a low around 55. Calm wind.
Saturday
Mostly sunny, with a high near 73. Calm wind becoming southeast around 5 mph.
Saturday Night
Partly cloudy, with a low around 54. Calm wind.
Sunday
Mostly sunny, with a high near 66. Light east wind becoming northeast 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 46. Northeast wind around 5 mph.
Monday
Partly sunny, with a high near 59. East wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 47. East wind around 5 mph becoming calm.
Tuesday
A slight chance of showers. Mostly cloudy, with a high near 65. East wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Lafourche Airport LA
 29.45°N 90.27°W
Last Update:
4:58 pm CST Dec 9, 2025
Forecast Valid:
5pm CST Dec 9, 2025-6pm CST Dec 16, 2025
 
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Additional Resources

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Chance of Precipitation