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

71°F

22°C

Humidity 74%
Wind Speed NE 3 mph
Barometer 30.18 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 25 Mar 9:35 am CDT
Extended Forecast for

South Lafourche Airport LA

  • Today

    Today: Mostly sunny, with a high near 79. Calm wind becoming east around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm.

    Low: 61 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. South wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. Calm wind becoming north around 5 mph after midnight.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. North wind 10 to 15 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. Northeast wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76. East wind 10 to 15 mph.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. Calm wind becoming east around 5 mph in the afternoon.
Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 61. South wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 60. Calm wind becoming north around 5 mph after midnight.
Saturday
Sunny, with a high near 76. North wind 10 to 15 mph.
Saturday Night
Mostly clear, with a low around 60. Northeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 76. East wind 10 to 15 mph.
Sunday Night
Partly cloudy, with a low around 62. East wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 78. Southeast wind 5 to 15 mph.
Monday Night
Mostly cloudy, with a low around 63. Southeast wind 5 to 10 mph.
Tuesday
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 78. 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:
6:06 am CDT Mar 25, 2026
Forecast Valid:
9am CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation