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

87°F

31°C

Humidity 65%
Wind Speed NW 3 mph
Barometer 30.14 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 8 Jul 9:15 am CDT
Extended Forecast for

Galliano LA

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 93 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 78. Southwest wind around 5 mph becoming calm in the evening.

    Low: 78 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly between noon and 2pm. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.

    High: 92 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 79. South wind around 5 mph becoming calm in the evening.

    Low: 79 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.

    High: 92 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 79. South wind around 5 mph becoming calm in the evening.

    Low: 79 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 1pm. Partly sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 92 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 79. South wind around 5 mph becoming calm.

    Low: 79 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.

    High: 92 °F

    T-storms
    Likely

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 78. Southwest wind around 5 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers and thunderstorms, mainly between noon and 2pm. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 79. South wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 79. South wind around 5 mph becoming calm in the evening.
Saturday
Showers and thunderstorms likely, mainly before 1pm. Partly sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 79. South wind around 5 mph becoming calm.
Sunday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm.
Monday
Showers and thunderstorms. Partly sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. West wind around 5 mph becoming calm in the evening.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 91. Northwest wind around 5 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:
2:01 am CDT Jul 8, 2026
Forecast Valid:
9am CDT Jul 8, 2026-6pm CDT Jul 14, 2026
 
Forecast Discussion
 
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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