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

69°F

21°C

Humidity 83%
Wind Speed W 6 mph
Barometer 30.20 in
Dewpoint 64°F (18°C)
Visibility NA
Last update 28 Mar 1:15 am CDT
Extended Forecast for

Cut Off LASimilar City Names

  • Overnight

    Overnight: Partly cloudy, with a low around 60. Northwest wind 5 to 10 mph becoming north.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75. Breezy, with a northeast wind 15 to 20 mph.

    High: 75 °F

    Sunny and
    Breezy then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. Northeast wind 5 to 10 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 75. East wind 5 to 15 mph. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 10pm. Mostly cloudy, with a low around 65. East wind 10 to 15 mph.

    Low: 65 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. Southeast wind 5 to 15 mph.

    High: 79 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 66. Southeast wind 5 to 10 mph.

    Low: 66 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. Southeast wind 5 to 15 mph.

    High: 78 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66. Southeast wind 5 to 10 mph.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 60. Northwest wind 5 to 10 mph becoming north.
Saturday
Sunny, with a high near 75. Breezy, with a northeast wind 15 to 20 mph.
Saturday Night
Mostly clear, with a low around 58. Northeast wind 5 to 10 mph.
Sunday
A slight chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 75. East wind 5 to 15 mph. Chance of precipitation is 30%.
Sunday Night
A 20 percent chance of showers before 10pm. Mostly cloudy, with a low around 65. East wind 10 to 15 mph.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. Southeast wind 5 to 15 mph.
Monday Night
Mostly cloudy, with a low around 66. Southeast wind 5 to 10 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. Southeast wind 5 to 15 mph.
Tuesday Night
Partly cloudy, with a low around 66. Southeast wind 5 to 10 mph.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80. South wind 5 to 15 mph.
Wednesday Night
Partly cloudy, with a low around 66. Southeast wind 5 to 10 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. South wind 5 to 15 mph.
Thursday Night
Mostly cloudy, with a low around 66. South wind 5 to 10 mph.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 80. South wind 5 to 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cut Off LASimilar City Names
 29.52°N 90.34°W
Last Update:
12:25 am CDT Mar 28, 2026
Forecast Valid:
1am CDT Mar 28, 2026-6pm CDT Apr 3, 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