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

33°F

1°C

Humidity 92%
Wind Speed Calm
Barometer 30.41 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 20 Jan 1:15 am CST
Extended Forecast for

Cut Off LASimilar City Names

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 41. Calm wind.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. East wind 5 to 10 mph.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47. East wind 5 to 10 mph.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 68. Southeast wind 5 to 10 mph.

    High: 68 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Cloudy, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers before noon. Partly sunny, with a high near 70. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 70 °F

    Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 57. Southeast wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers. Mostly cloudy, with a high near 68. Light east wind becoming northeast 5 to 10 mph in the morning.

    High: 68 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly after midnight. Mostly cloudy, with a low around 52. Northeast wind 5 to 10 mph.

    Low: 52 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 41. Calm wind.
Tuesday
Mostly sunny, with a high near 60. East wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 47. East wind 5 to 10 mph.
Wednesday
Mostly cloudy, with a high near 68. Southeast wind 5 to 10 mph.
Wednesday Night
A 50 percent chance of showers. Cloudy, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.
Thursday
A 30 percent chance of showers before noon. Partly sunny, with a high near 70. Light east wind becoming southeast 5 to 10 mph in the morning.
Thursday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 57. Southeast wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers. Mostly cloudy, with a high near 68. Light east wind becoming northeast 5 to 10 mph in the morning.
Friday Night
A chance of showers, mainly after midnight. Mostly cloudy, with a low around 52. Northeast wind 5 to 10 mph.
Saturday
A chance of showers. Mostly cloudy, with a high near 66. East wind 10 to 15 mph.
Saturday Night
A chance of showers. Cloudy, with a low around 39. North wind 10 to 15 mph.
Sunday
A chance of showers. Mostly cloudy, with a high near 48. North wind 10 to 15 mph.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 35. North wind around 10 mph.
Monday
Partly sunny, with a high near 53. North wind around 10 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:
11:16 pm CST Jan 19, 2026
Forecast Valid:
1am CST Jan 20, 2026-6pm CST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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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