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

48°F

9°C

Humidity 46%
Wind Speed NE 12 G 17 mph
Barometer 30.42 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 12 Jan 2:55 am CST
Extended Forecast for

Galliano LA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 42. Northeast wind around 10 mph.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 57. Northeast wind 5 to 10 mph.

    High: 57 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. North wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

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

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36. North wind 10 to 15 mph.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 51. North wind 10 to 15 mph.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 33. North wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Clear then
    Frost

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 42. Northeast wind around 10 mph.
Monday
Partly sunny, with a high near 57. Northeast wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 39. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 61. North wind around 5 mph becoming calm.
Tuesday Night
Mostly cloudy, with a low around 45. Calm wind.
Wednesday
Mostly sunny, with a high near 67. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 36. North wind 10 to 15 mph.
Thursday
Sunny, with a high near 51. North wind 10 to 15 mph.
Thursday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 33. North wind around 5 mph becoming calm in the evening.
Friday
Areas of frost before 7am. Otherwise, sunny, with a high near 60. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 40. Southwest wind around 5 mph becoming north after midnight.
Saturday
Mostly sunny, with a high near 60. North wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 37. Northwest wind around 5 mph.
Sunday
Sunny, with a high near 59. North wind 5 to 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:
11:31 pm CST Jan 11, 2026
Forecast Valid:
3am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation