Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Partly Cloudy

62°F

17°C

Humidity 58%
Wind Speed N 18 G 28 mph
Barometer 30.20 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 12 Mar 1:35 pm CDT
Extended Forecast for

4 Miles WSW Grand Isle LA

  • This Afternoon

    This Afternoon: Partly sunny, then gradually becoming sunny, with a high near 66. Windy, with a north wind 25 to 30 mph.

    High: 66 °F

    Becoming
    Sunny and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 59. Breezy, with a northeast wind 20 to 25 mph decreasing to 10 to 15 mph after midnight.

    Low: 59 °F

    Mostly Clear
    and Breezy

  • Friday

    Friday: Sunny, with a high near 68. East wind around 5 mph.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Calm wind becoming southeast around 5 mph after midnight.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 72. Southeast wind 5 to 10 mph.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67. Southeast wind 5 to 10 mph.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 75. South wind 10 to 15 mph.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 52. Breezy, with a south wind 15 to 20 mph becoming northwest after midnight.  Chance of precipitation is 70%.

    Low: 52 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Monday

    Monday: A slight chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 60. Windy, with a north wind 20 to 30 mph.

    High: 60 °F

    Slight Chance
    T-storms and
    Windy

Detailed Forecast

This Afternoon
Partly sunny, then gradually becoming sunny, with a high near 66. Windy, with a north wind 25 to 30 mph.
Tonight
Mostly clear, with a low around 59. Breezy, with a northeast wind 20 to 25 mph decreasing to 10 to 15 mph after midnight.
Friday
Sunny, with a high near 68. East wind around 5 mph.
Friday Night
Mostly clear, with a low around 64. Calm wind becoming southeast around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 72. Southeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 67. Southeast wind 5 to 10 mph.
Sunday
Sunny, with a high near 75. South wind 10 to 15 mph.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 52. Breezy, with a south wind 15 to 20 mph becoming northwest after midnight. Chance of precipitation is 70%.
Monday
A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 60. Windy, with a north wind 20 to 30 mph.
Monday Night
Partly cloudy, with a low around 47. Breezy, with a north wind 20 to 25 mph.
Tuesday
Partly sunny, with a high near 58. Breezy, with a north wind 15 to 20 mph.
Tuesday Night
Mostly clear, with a low around 54. Northeast wind around 10 mph.
Wednesday
Sunny, with a high near 65. East wind around 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Grand Isle LA
 29.21°N 90.04°W
12:31 pm CDT Mar 12, 2026
1pm CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
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Additional Resources

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