Medicant Island Weather Forecast

    • 65
    • 77

    Rain Showers

    • 63
    • 78

    Chance Thunderstorms

    • 66
    • 77

    Chance Thunderstorms

    • 68
    • 78

    Chance Rain Showers

    • 71
    • 82

    Mostly Sunny

    • 73
    • 82

    Mostly Sunny

Today 9 May Coastal Jefferson

Showers. A chance of Thunderstorms this Morning, then Thunderstorms likely this afternoon. Near steady temperature in the mid 70s. Northeast Winds 5 to 10 Mph. Chance of rain 90 percent.

Tonight 9 May Coastal Jefferson

Mostly cloudy. Showers and Thunderstorms Likely, mainly in the evening. Lows in the mid 60s. Northeast Winds 10 to 15 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Medicant Island Temperature Statistics

May Temperature

Galliano, South Lafourche Airport (17.4 miles)

  • Lowest 4 May, 2025

    57.9 °F

  • Average May

    74.3 °F

  • Highest 1 May, 2025

    84.6 °F

Climate (2020–Present)

Galliano, South Lafourche Airport (17.4 miles)

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  • Average Low 2020–2025

    64.4 °F

  • Average 2020–2025

    72.1 °F

  • Average High 2020–2025

    79.5 °F
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