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.

Partly Cloudy

88°F

31°C

Humidity 60%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 20 Sep 1:35 pm CDT
Extended Forecast for

Cut Off LASimilar City Names

  • This Afternoon

    This Afternoon: Sunny, with a high near 92. Southeast wind around 5 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 92. Calm wind becoming north around 5 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 75. Calm wind.

    Low: 75 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Calm wind becoming northeast around 5 mph in the morning.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92. North wind 5 to 10 mph becoming east in the afternoon.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Northeast wind 5 to 10 mph.

    High: 91 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 92. Southeast wind around 5 mph.
Tonight
Mostly clear, with a low around 75. Calm wind.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 92. Calm wind becoming north around 5 mph.
Monday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 75. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Calm wind becoming northeast around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 92. North wind 5 to 10 mph becoming east in the afternoon.
Wednesday Night
Mostly clear, with a low around 75. Calm wind.
Thursday
Sunny, with a high near 91. Northeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 74. East wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 89. Northeast wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 73. East wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 88. Northeast wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cut Off LASimilar City Names
 29.52°N 90.34°W
Last Update:
1:26 pm CDT Sep 20, 2026
Forecast Valid:
1pm CDT Sep 20, 2026-6pm CDT Sep 26, 2026
 
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Additional Resources

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