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

77°F

25°C

Humidity 83%
Wind Speed NE 8 mph
Barometer 29.89 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 6 Oct 7:55 pm CDT
Extended Forecast for

Galliano LA

  • Tonight

    Tonight: Mostly cloudy, with a low around 71. Northeast wind 5 to 10 mph.

    Low: 71 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 85. Northeast wind 10 to 15 mph.

    High: 85 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 71. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Breezy, with an east wind 15 to 20 mph.

    High: 85 °F

    Breezy.
    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. East wind 10 to 15 mph. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    Showers

  • Friday

    Friday: Tropical storm conditions possible. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.

    High: 84 °F

    Tropical
    Storm
    Conditions
    Possible

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then showers and thunderstorms likely after 1am. Mostly cloudy, with a low around 69. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    Low: 69 °F

    Breezy.
    Showers
    Likely then
    T-storms
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Breezy, with an east wind 20 to 25 mph becoming southeast in the afternoon. Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southeast wind 5 to 15 mph.

    Low: 69 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 71. Northeast wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 85. Northeast wind 10 to 15 mph.
Wednesday Night
Partly cloudy, with a low around 71. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Breezy, with an east wind 15 to 20 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. East wind 10 to 15 mph. Chance of precipitation is 30%.
Friday
Tropical storm conditions possible. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then showers and thunderstorms likely after 1am. Mostly cloudy, with a low around 69. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Breezy, with an east wind 20 to 25 mph becoming southeast in the afternoon. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southeast wind 5 to 15 mph.
Sunday
A chance of showers. Partly sunny, with a high near 86. Southwest wind 5 to 10 mph.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm.
Columbus Day
A chance of showers. Mostly sunny, with a high near 86. Calm wind becoming north around 5 mph in the morning.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 71. Calm wind.
Tuesday
A chance of showers. Mostly sunny, with a high near 86. Calm wind becoming northeast around 5 mph in the morning.
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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:
4:49 pm CDT Oct 6, 2026
Forecast Valid:
8pm CDT Oct 6, 2026-6pm CDT Oct 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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