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.

Partly Cloudy

74°F

23°C

Humidity 60%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 2 Mar 12:55 pm CST
Extended Forecast for

2 Miles NE Grand Isle LA

  • This Afternoon

    This Afternoon: Sunny, with a high near 68. East wind around 5 mph.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Areas of fog after 4am. Otherwise, partly cloudy, with a low around 64. East wind 5 to 10 mph.

    Low: 64 °F

    Mostly Clear
    then Areas
    Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Otherwise, mostly sunny, with a steady temperature around 67. East wind around 10 mph.

    High: 67 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog before midnight, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 65. Southeast wind around 10 mph.

    Low: 65 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, sunny, with a high near 71. Southeast wind around 10 mph.

    High: 71 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog between 9pm and midnight. Otherwise, partly cloudy, with a low around 66. Southeast wind around 10 mph.

    Low: 66 °F

    Patchy Fog
    then Partly
    Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71. Southeast wind around 10 mph.

    High: 71 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 67. Southeast wind around 10 mph.

    Low: 67 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 72. Southeast wind 10 to 15 mph.

    High: 72 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 68. East wind around 5 mph.
Tonight
Areas of fog after 4am. Otherwise, partly cloudy, with a low around 64. East wind 5 to 10 mph.
Tuesday
Areas of fog before 9am. Otherwise, mostly sunny, with a steady temperature around 67. East wind around 10 mph.
Tuesday Night
Patchy fog before midnight, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 65. Southeast wind around 10 mph.
Wednesday
Patchy fog before 7am. Otherwise, sunny, with a high near 71. Southeast wind around 10 mph.
Wednesday Night
Patchy fog between 9pm and midnight. Otherwise, partly cloudy, with a low around 66. Southeast wind around 10 mph.
Thursday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71. Southeast wind around 10 mph.
Thursday Night
Mostly cloudy, with a low around 67. Southeast wind around 10 mph.
Friday
A chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 72. Southeast wind 10 to 15 mph.
Friday Night
Partly cloudy, with a low around 68. Southeast wind around 10 mph.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 73. Southeast wind around 10 mph.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southeast wind 5 to 10 mph.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 73. Southeast wind around 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Grand Isle LA
 29.26°N 89.96°W
Last Update:
11:34 am CST Mar 2, 2026
Forecast Valid:
1pm CST Mar 2, 2026-6pm CDT Mar 8, 2026
 
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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