Cat Bay Weather Forecast

    • 74
    • 78

    Rain Showers

    • 73
    • 79

    Rain Showers

    • 73
    • 79

    Chance Thunderstorms

    • 69
    • 80

    Mostly Sunny

    • 70
    • 75

    Mostly Sunny

    • 72
    • 78

    Partly Sunny

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cat Bay Temperature Statistics

May Temperature

Galliano, South Lafourche Airport (23 miles)

  • Lowest 4 May, 2026

    48.7 °F

  • Average May

    68.8 °F

  • Highest 6 May, 2026

    85.3 °F

Climate (2021–Present)

Galliano, South Lafourche Airport (23 miles)

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  • Average Low 2021–2026

    64.3 °F

  • Average 2021–2026

    72.5 °F

  • Average High 2021–2026

    80.1 °F
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