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

47°F

8°C

Humidity 92%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 1 Jan 9:15 pm CST
Extended Forecast for

11 Miles ESE Dulac LA

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 63. Southwest wind 5 to 10 mph.

    Low: 63 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 71. Breezy, with a southwest wind 10 to 20 mph.

    High: 71 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 67. Breezy, with a southwest wind 15 to 20 mph. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    Showers and
    Breezy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms before noon. Mostly sunny, with a high near 74. Southwest wind 10 to 15 mph becoming northwest in the afternoon.

    High: 74 °F

    Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. North wind 10 to 15 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65. Northeast wind 5 to 15 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54. East wind around 5 mph.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68. East wind around 5 mph becoming southeast in the afternoon.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. South wind around 5 mph.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 63. Southwest wind 5 to 10 mph.
Friday
Partly sunny, with a high near 71. Breezy, with a southwest wind 10 to 20 mph.
Friday Night
A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 67. Breezy, with a southwest wind 15 to 20 mph. Chance of precipitation is 40%.
Saturday
A 30 percent chance of showers and thunderstorms before noon. Mostly sunny, with a high near 74. Southwest wind 10 to 15 mph becoming northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 53. North wind 10 to 15 mph.
Sunday
Sunny, with a high near 65. Northeast wind 5 to 15 mph.
Sunday Night
Mostly clear, with a low around 54. East wind around 5 mph.
Monday
Sunny, with a high near 68. East wind around 5 mph becoming southeast in the afternoon.
Monday Night
Partly cloudy, with a low around 60. South wind around 5 mph.
Tuesday
Mostly sunny, with a high near 71. South wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 64. South wind around 5 mph.
Wednesday
Mostly sunny, with a high near 72. South wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 64. South wind 5 to 10 mph.
Thursday
A slight chance of showers. Mostly sunny, with a high near 72. South wind around 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ESE Dulac LA
 29.3°N 90.53°W
Last Update:
4:52 pm CST Jan 1, 2026
Forecast Valid:
9pm CST Jan 1, 2026-6pm CST Jan 8, 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