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

87°F

31°C

Humidity 68%
Wind Speed SE 3 mph
Barometer 30.06 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 11 Aug 6:35 pm CDT
Extended Forecast for

Galliano LA

  • Tonight

    Tonight: Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly before noon. Mostly sunny, with a high near 91. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 91 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. Southwest wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92. Light west wind becoming south 5 to 10 mph in the afternoon.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before noon. Mostly sunny, with a high near 91. Light southwest wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 77. Southwest wind around 5 mph.
Thursday
Sunny, with a high near 92. Light west wind becoming south 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Sunday
Sunny and hot, with a high near 95. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 95. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 78. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 95. Calm wind becoming southwest around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Galliano LA
 29.45°N 90.29°W
Last Update:
2:01 pm CDT Aug 11, 2026
Forecast Valid:
7pm CDT Aug 11, 2026-6pm CDT Aug 18, 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