Cat Bay Weather Forecast

    • 82
    • 87

    Mostly Sunny

    • 82
    • 88

    Mostly Sunny

    • 81
    • 88

    Mostly Sunny

    • 81
    • 86

    Partly Sunny

    • 80
    • 86

    Partly Sunny

    • 80
    • 85

    Partly Sunny

Today 22 Sep Lower Plaquemines

Sunny. Highs in the upper 80s. Northeast Winds 5 to 10 Mph.

Tonight 22 Sep Lower Plaquemines

Mostly clear. Humid with Lows in the upper 70s. East Winds around 5 Mph, becoming northeast after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Cat Bay Temperature Statistics

September Temperature

Galliano, South Lafourche Airport (23 miles)

  • Lowest 19 September, 2026

    69.3 °F

  • Average September

    81.6 °F

  • Highest 8 September, 2026

    91.9 °F

Climate (2022–2026)

Galliano, South Lafourche Airport (23 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2022–2026

    64.5 °F

  • Average 2022–2026

    72.7 °F

  • Average High 2022–2026

    80.4 °F
Get WillyWeather+ to remove ads