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

49°F

9°C

Humidity 65%
Wind Speed N 5 mph
Barometer 30.43 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 11 Jan 7:55 pm CST
Extended Forecast for

Galliano LA

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 56. Northeast wind 5 to 10 mph.

    High: 56 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37. North wind around 5 mph becoming calm.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 61. North wind around 5 mph becoming calm.

    High: 61 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 44. Calm wind becoming west around 5 mph.

    Low: 44 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. West wind 5 to 15 mph.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. West wind 10 to 15 mph becoming north after midnight.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 54. North wind 5 to 15 mph.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Areas of frost after 2am. Otherwise, mostly clear, with a low around 33. North wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Clear then
    Areas Frost

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. Northeast wind around 10 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 56. Northeast wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 37. North wind around 5 mph becoming calm.
Tuesday
Partly sunny, with a high near 61. North wind around 5 mph becoming calm.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 44. Calm wind becoming west around 5 mph.
Wednesday
Mostly sunny, with a high near 66. West wind 5 to 15 mph.
Wednesday Night
Mostly clear, with a low around 37. West wind 10 to 15 mph becoming north after midnight.
Thursday
Sunny, with a high near 54. North wind 5 to 15 mph.
Thursday Night
Areas of frost after 2am. Otherwise, mostly clear, with a low around 33. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 62. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 43. Calm wind becoming north around 5 mph after midnight.
Saturday
A slight chance of showers. Partly sunny, with a high near 62. Northeast wind 5 to 10 mph.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 37. North wind 5 to 10 mph.
Sunday
Sunny, with a high near 55. North wind around 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Galliano LA
 29.45°N 90.29°W
Last Update:
11:33 am CST Jan 11, 2026
Forecast Valid:
8pm CST Jan 11, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

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