Medicant Island Weather Forecast

    • 79
    • 93

    Mostly Sunny

    • 79
    • 93

    Partly Sunny

    • 80
    • 94

    Chance Thunderstorms

    • 79
    • 91

    Chance Thunderstorms

    • 79
    • 90

    Chance Thunderstorms

    • 78
    • 91

    Thunderstorms Likely

Today 27 Jul Lower Lafourche

Sunny with Highs in the lower 90s. West Winds 5 to 10 Mph. Heat index Values up to 106.

Tonight 27 Jul Lower Lafourche

Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows in the upper 70s. West Winds 5 to 10 Mph. Heat index Values up to 105 early in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Medicant Island Temperature Statistics

July Temperature

Galliano, South Lafourche Airport (17.4 miles)

  • Lowest 14 July, 2026

    71.6 °F

  • Average July

    82.4 °F

  • Highest 19 July, 2026

    94.5 °F

Climate (2021–2026)

Galliano, South Lafourche Airport (17.4 miles)

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  • Average Low 2021–2026

    64.4 °F

  • Average 2021–2026

    72.6 °F

  • Average High 2021–2026

    80.2 °F
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