Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Mostly Cloudy

54°F

12°C

Humidity 89%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 3 Feb 8:35 pm CST
Extended Forecast for

Grand Isle LA

  • Tonight

    Tonight: Showers likely, mainly after 5am.  Partly cloudy, with a steady temperature around 60. Southwest wind 10 to 15 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 60 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers, mainly before 11am.  Steady temperature around 58. Breezy, with a north wind 15 to 20 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Showers then
    Becoming
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. Breezy, with a north wind 20 to 25 mph.

    Low: 41 °F

    Mostly Clear
    and Breezy

  • Thursday

    Thursday: Sunny, with a high near 52. Breezy, with a north wind 15 to 25 mph.

    High: 52 °F

    Sunny and
    Breezy then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. Northwest wind around 10 mph.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. Breezy, with a west wind 10 to 20 mph.

    High: 62 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Clear, with a low around 52. Breezy, with a west wind 10 to 20 mph.

    Low: 52 °F

    Clear and
    Breezy then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61. Northwest wind 5 to 10 mph becoming southeast in the afternoon.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. South wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers likely, mainly after 5am. Partly cloudy, with a steady temperature around 60. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers, mainly before 11am. Steady temperature around 58. Breezy, with a north wind 15 to 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Mostly clear, with a low around 41. Breezy, with a north wind 20 to 25 mph.
Thursday
Sunny, with a high near 52. Breezy, with a north wind 15 to 25 mph.
Thursday Night
Mostly clear, with a low around 46. Northwest wind around 10 mph.
Friday
Sunny, with a high near 62. Breezy, with a west wind 10 to 20 mph.
Friday Night
Clear, with a low around 52. Breezy, with a west wind 10 to 20 mph.
Saturday
Sunny, with a high near 61. Northwest wind 5 to 10 mph becoming southeast in the afternoon.
Saturday Night
Mostly clear, with a low around 56. South wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 64. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 57. Southwest wind around 5 mph becoming northwest after midnight.
Monday
Mostly sunny, with a high near 64. North wind around 5 mph becoming southeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 57. Southeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 65. Southeast wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Isle LA
 29.23°N 89.99°W
5:19 pm CST Feb 3, 2026
8pm CST Feb 3, 2026-6pm CST Feb 10, 2026
 
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Additional Resources

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