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

67°F

19°C

Humidity 50%
Wind Speed S 8 mph
Barometer 30.16 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 13 Mar 12:35 pm CDT
Extended Forecast for

Galliano LA

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. Southeast wind around 5 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 76. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62. Southeast wind around 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81. South wind 5 to 15 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 47. Breezy, with a south wind 15 to 20 mph becoming northwest after midnight. Chance of precipitation is 60%.

    Low: 47 °F

    Slight Chance
    T-storms then
    Showers
    Likely and
    Breezy

  • Monday

    Monday: Partly sunny, with a high near 59. Breezy, with a northwest wind 20 to 25 mph.

    High: 59 °F

    Partly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. North wind 10 to 15 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 59. North wind around 10 mph.

    High: 59 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 72. Southeast wind around 5 mph.
Tonight
Mostly clear, with a low around 55. Calm wind.
Saturday
Mostly sunny, with a high near 76. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 62. Southeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 81. South wind 5 to 15 mph.
Sunday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 47. Breezy, with a south wind 15 to 20 mph becoming northwest after midnight. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 59. Breezy, with a northwest wind 20 to 25 mph.
Monday Night
Mostly cloudy, with a low around 40. North wind 10 to 15 mph.
Tuesday
Partly sunny, with a high near 59. North wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 44. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 68. Light northeast wind becoming east 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 51. Southeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 74. Light and variable wind becoming south 5 to 10 mph in the afternoon.
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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:
12:31 pm CDT Mar 13, 2026
Forecast Valid:
12pm CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation