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.

Overcast

68°F

20°C

Humidity 76%
Wind Speed SE 5 mph
Barometer 30.07 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 17 Feb 8:35 pm CST
Extended Forecast for

Galliano LA

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. South wind around 5 mph.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 76. Southwest wind 5 to 10 mph.

    High: 76 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 62. South wind 5 to 10 mph.

    Low: 62 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77. South wind 5 to 15 mph.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 64. South wind 5 to 10 mph.

    Low: 64 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 79. South wind 5 to 10 mph.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 64. South wind 5 to 10 mph.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 80. South wind 5 to 15 mph. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, mainly before midnight. Mostly cloudy, with a low around 49. Southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 59. South wind around 5 mph.
Wednesday
Patchy fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 76. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 62. South wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 77. South wind 5 to 15 mph.
Thursday Night
Mostly cloudy, with a low around 64. South wind 5 to 10 mph.
Friday
A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 79. South wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 64. South wind 5 to 10 mph.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 80. South wind 5 to 15 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers, mainly before midnight. Mostly cloudy, with a low around 49. Southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 64. North wind 10 to 15 mph.
Sunday Night
Mostly clear, with a low around 39. North wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 60. North wind 10 to 15 mph.
Monday Night
Mostly clear, with a low around 39. North wind around 5 mph.
Tuesday
Sunny, with a high near 63. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Galliano LA
 29.45°N 90.29°W
Last Update:
11:32 am CST Feb 17, 2026
Forecast Valid:
8pm CST Feb 17, 2026-6pm CST Feb 24, 2026
 
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Additional Resources

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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