Cat Bay Weather Forecast

    • 44
    • 64

    Chance Rain Showers

    • 33
    • 48

    Breezy

    • 35
    • 42

    Breezy

    • 33
    • 39

    Rain/Snow Likely

    • 41
    • 45

    Slight Chance Rain Showers

    • 43
    • 54

    Chance Rain Showers

Today 18 Jan Lower Plaquemines

Mostly cloudy with a slight chance of Thunderstorms. A chance of Showers. Highs in the upper 60s. Southwest Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 18 Jan Lower Plaquemines

Mostly cloudy. A chance of Showers in the evening. Much cooler. Less humid with Lows in the lower 40s. West Winds 5 to 10 Mph, becoming northwest 10 to 15 Mph with Gusts up to 25 Mph after midnight. Chance of rain 40 percent.

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Cat Bay Temperature Statistics

January Temperature

Galliano, South Lafourche Airport (23 miles)

  • Lowest 15 January, 2025

    50.7 °F

  • Average January

    51.9 °F

  • Highest 15 January, 2025

    52.7 °F

Climate (2020–Present)

Galliano, South Lafourche Airport (23 miles)

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  • Average Low 2020–2025

    64.5 °F

  • Average 2020–2025

    72.2 °F

  • Average High 2020–2025

    79.6 °F
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