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.

Partly Cloudy

75°F

24°C

Humidity 78%
Wind Speed E 3 mph
Barometer 30.06 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 13 May 8:35 am CDT
Extended Forecast for

South Lafourche Airport LA

  • Today

    Today: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. West wind around 5 mph becoming calm.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. North wind around 5 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 70. Southeast wind around 5 mph.

    Low: 70 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Southeast wind 5 to 10 mph.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85. Southeast wind 5 to 15 mph.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 66. West wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 85. North wind around 5 mph.
Thursday Night
Mostly clear, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 82. Light and variable wind becoming south 5 to 10 mph in the morning.
Friday Night
Partly cloudy, with a low around 70. Southeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 83. Southeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 85. Southeast wind 5 to 15 mph.
Sunday Night
Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph.
Monday
Partly sunny, with a high near 86. Southeast wind 5 to 15 mph.
Monday Night
Mostly cloudy, with a low around 76. Southeast wind 5 to 10 mph.
Tuesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 86. Southeast wind 5 to 15 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:
5:21 am CDT May 13, 2026
Forecast Valid:
8am CDT May 13, 2026-6pm CDT May 19, 2026
 
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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