Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Overcast

80°F

27°C

Humidity 77%
Wind Speed SE 6 mph
Barometer 29.91 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 18 Oct 9:15 pm CDT
Extended Forecast for

9 Miles SSW Port Sulphur LA

  • Tonight

    Tonight: Showers and possibly a thunderstorm.  Steady temperature around 77. South wind around 10 mph becoming southwest after midnight.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 7am.  Partly sunny, then gradually becoming sunny, with a high near 84. North wind 10 to 15 mph.

    High: 84 °F

    Chance
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 64. Northeast wind around 15 mph.

    Low: 64 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 77. East wind 5 to 10 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. East wind around 5 mph becoming calm  after midnight.

    Low: 68 °F

    Mostly Clear

  • Tuesday

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

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. South wind 5 to 10 mph becoming north after midnight.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Northeast wind around 10 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65. Northeast wind 5 to 10 mph.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Steady temperature around 77. South wind around 10 mph becoming southwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Partly sunny, then gradually becoming sunny, with a high near 84. North wind 10 to 15 mph.
Sunday Night
Clear, with a low around 64. Northeast wind around 15 mph.
Monday
Sunny, with a high near 77. East wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 68. East wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 67. South wind 5 to 10 mph becoming north after midnight.
Wednesday
Sunny, with a high near 77. Northeast wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 65. Northeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 76. East wind around 10 mph.
Thursday Night
Mostly clear, with a low around 66. East wind around 5 mph.
Friday
Sunny, with a high near 79. Southeast wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 69. Southeast wind around 5 mph.
Saturday
A slight chance of showers. Mostly sunny, with a high near 79. Southeast wind 5 to 10 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SSW Port Sulphur LA
 29.39°N 89.77°W
4:56 pm CDT Oct 18, 2025
9pm CDT Oct 18, 2025-6pm CDT Oct 25, 2025
 
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