Medicant Island Weather Forecast

    • 75
    • 85

    Chance Rain Showers

    • 75
    • 86

    Partly Sunny

    • 76
    • 87

    Mostly Sunny

    • 76
    • 87

    Mostly Sunny

    • 77
    • 87

    Partly Sunny

    • 76
    • 87

    Chance Thunderstorms

Today 25 Sep Lower Lafourche

Partly sunny with a chance of Showers. A slight chance of Thunderstorms in the afternoon. Highs in the mid 80s. Northeast Winds 10 to 15 Mph. Chance of rain 40 percent.

Tonight 25 Sep Lower Lafourche

Partly cloudy. Lows in the lower 70s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Medicant Island Temperature Statistics

September Temperature

Galliano, South Lafourche Airport (17.4 miles)

  • Lowest 19 September, 2026

    69.3 °F

  • Average September

    81.4 °F

  • Highest 8 September, 2026

    91.9 °F

Climate (2022–2026)

Galliano, South Lafourche Airport (17.4 miles)

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  • Average Low 2022–2026

    64.5 °F

  • Average 2022–2026

    72.7 °F

  • Average High 2022–2026

    80.4 °F
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