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

60°F

16°C

Humidity 37%
Wind Speed NE 6 mph
Barometer 30.31 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 18 Mar 1:35 pm CDT
Extended Forecast for

15 Miles WSW Grand Isle LA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 64. East wind around 10 mph.

    High: 64 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy during the early evening, then becoming clear, with a low around 53. East wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 71. Calm wind becoming south around 5 mph in the afternoon.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. West wind around 5 mph.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74. Southwest wind 5 to 10 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. Southwest wind around 5 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. Southwest wind 5 to 10 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 64. Southwest wind around 5 mph.

    Low: 64 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 78. Southwest wind 5 to 10 mph.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 64. East wind around 10 mph.
Tonight
Mostly cloudy during the early evening, then becoming clear, with a low around 53. East wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 71. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 59. West wind around 5 mph.
Friday
Sunny, with a high near 74. Southwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 62. Southwest wind around 5 mph.
Saturday
Sunny, with a high near 76. Southwest wind 5 to 10 mph.
Saturday Night
Clear, with a low around 64. Southwest wind around 5 mph.
Sunday
Sunny, with a high near 78. Southwest wind 5 to 10 mph.
Sunday Night
Clear, with a low around 65. Southwest wind around 5 mph.
Monday
Sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 63. Southwest wind around 5 mph becoming north after midnight.
Tuesday
Sunny, with a high near 76. North wind around 5 mph becoming southeast in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles WSW Grand Isle LA
 29.13°N 90.2°W
Last Update:
1:26 pm CDT Mar 18, 2026
Forecast Valid:
1pm CDT Mar 18, 2026-6pm CDT Mar 24, 2026
 
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Additional Resources

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