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.

Fog/Mist

39°F

4°C

Humidity 93%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 37°F (3°C)
Visibility 4.00 mi
Last update 9 Dec 7:35 pm CST
Extended Forecast for

11 Miles ESE Dulac LA

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 55. Calm wind becoming southwest around 5 mph after midnight.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. West wind 5 to 10 mph.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. West wind 5 to 10 mph becoming northeast after midnight.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 63. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. Southeast wind around 5 mph.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 71. South wind around 5 mph.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. Southeast wind around 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 71. Southeast wind 5 to 10 mph.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. Southeast wind around 5 mph.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 55. Calm wind becoming southwest around 5 mph after midnight.
Wednesday
Sunny, with a high near 69. West wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 52. West wind 5 to 10 mph becoming northeast after midnight.
Thursday
Sunny, with a high near 63. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Thursday Night
Mostly clear, with a low around 56. Southeast wind around 5 mph.
Friday
Mostly sunny, with a high near 71. South wind around 5 mph.
Friday Night
Partly cloudy, with a low around 62. Southeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 71. Southeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 61. Southeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 68. Northeast wind 5 to 15 mph.
Sunday Night
Partly cloudy, with a low around 52. Northeast wind around 15 mph.
Monday
Partly sunny, with a high near 60. East wind 10 to 15 mph.
Monday Night
Mostly cloudy, with a low around 54. East wind around 10 mph.
Tuesday
A slight chance of showers. Partly sunny, with a high near 65. East 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:
4:58 pm CST Dec 9, 2025
Forecast Valid:
7pm CST Dec 9, 2025-6pm CST Dec 16, 2025
 
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