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

64°F

18°C

Humidity 85%
Wind Speed SW 5 mph
Barometer 30.07 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 22 Mar 10:15 pm CDT
Extended Forecast for

11 Miles ESE Dulac LA

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 67. Southwest wind around 5 mph.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 77. Southwest wind 5 to 10 mph.

    High: 77 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. West wind 5 to 10 mph.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Northwest wind 5 to 10 mph becoming southeast in the morning.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Southwest wind 5 to 10 mph becoming light west after midnight.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 77. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65. South wind around 5 mph.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Light southeast wind increasing to 5 to 10 mph in the afternoon.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. Southeast wind around 5 mph.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 67. Southwest wind around 5 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 77. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 64. West wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 77. Northwest wind 5 to 10 mph becoming southeast in the morning.
Tuesday Night
Partly cloudy, with a low around 63. Southwest wind 5 to 10 mph becoming light west after midnight.
Wednesday
Sunny, with a high near 77. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 65. South wind around 5 mph.
Thursday
Sunny, with a high near 76. Light southeast wind increasing to 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 66. Southeast wind around 5 mph.
Friday
Sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 60. Southwest wind 5 to 10 mph becoming north after midnight.
Saturday
Sunny, with a high near 75. North wind 10 to 15 mph.
Saturday Night
Mostly clear, with a low around 60. Northeast wind 10 to 15 mph.
Sunday
Sunny, with a high near 73. East wind around 15 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ESE Dulac LA
 29.3°N 90.53°W
Last Update:
6:38 pm CDT Mar 22, 2026
Forecast Valid:
10pm CDT Mar 22, 2026-6pm CDT Mar 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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