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

64°F

18°C

Humidity 57%
Wind Speed N 14 G 22 mph
Barometer 30.24 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 19 Apr 12:55 pm CDT
Extended Forecast for

Galliano LA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 73. Breezy, with a northeast wind 15 to 20 mph.

    High: 73 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 75. East wind 10 to 15 mph.

    High: 75 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. East wind 5 to 10 mph.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 80. Southeast wind 5 to 15 mph.

    High: 80 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 65. Southeast wind 5 to 10 mph.

    Low: 65 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Southeast wind 5 to 15 mph. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64. Southeast wind 5 to 10 mph.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 80. Southeast wind 5 to 15 mph.

    High: 80 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 73. Breezy, with a northeast wind 15 to 20 mph.
Tonight
Partly cloudy, with a low around 57. Northeast wind around 10 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 75. East wind 10 to 15 mph.
Monday Night
Partly cloudy, with a low around 60. East wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 80. Southeast wind 5 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 65. Southeast wind 5 to 10 mph.
Wednesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Southeast wind 5 to 15 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 64. Southeast wind 5 to 10 mph.
Thursday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 80. Southeast wind 5 to 15 mph.
Thursday Night
Partly cloudy, with a low around 66. Southeast wind around 10 mph.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 82. South wind 10 to 15 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. South wind 5 to 10 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. South wind 5 to 15 mph.
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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:
4:57 am CDT Apr 19, 2026
Forecast Valid:
1pm CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
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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