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.

Fog/Mist

58°F

14°C

Humidity 92%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 56°F (13°C)
Visibility 4.00 mi
Last update 25 Mar 1:55 am CDT
Extended Forecast for

3 Miles WSW Galliano Heliport LA

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly cloudy, with a steady temperature around 64. Calm wind.

    Low: 64 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 63. Southeast wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. South wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Southwest wind around 5 mph becoming north after midnight.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. North wind 10 to 15 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Northeast wind 5 to 10 mph.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly cloudy, with a steady temperature around 64. Calm wind.
Wednesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 63. Southeast wind around 5 mph becoming calm in the evening.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 63. South wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 61. Southwest wind around 5 mph becoming north after midnight.
Saturday
Sunny, with a high near 79. North wind 10 to 15 mph.
Saturday Night
Mostly clear, with a low around 61. Northeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 77. East wind 10 to 15 mph.
Sunday Night
Partly cloudy, with a low around 63. East wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 79. East wind 5 to 15 mph.
Monday Night
Mostly cloudy, with a low around 65. East wind 5 to 10 mph.
Tuesday
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Southeast wind 5 to 10 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Galliano Heliport LA
 29.38°N 90.35°W
Last Update:
2:02 am CDT Mar 25, 2026
Forecast Valid:
2am CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

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