Medicant Island Weather Forecast

    • 66
    • 76

    Thunderstorms Likely

    • 66
    • 75

    Rain Showers

    • 67
    • 77

    Chance Thunderstorms

    • 63
    • 79

    Chance Thunderstorms

    • 67
    • 76

    Mostly Cloudy

    • 69
    • 79

    Partly Sunny

    • 69
    • 79

    Partly Sunny

Today 28 Mar Coastal Jefferson

Mostly cloudy. A slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 70s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 28 Mar Coastal Jefferson

Mostly cloudy with a chance of Showers. A slight chance of Thunderstorms this Evening, then a chance of Thunderstorms after midnight. Lows in the upper 60s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Medicant Island Temperature Statistics

March Temperature

Galliano, South Lafourche Airport (17.4 miles)

  • Lowest 21 March, 2025

    35.2 °F

  • Average March

    64.4 °F

  • Highest 26 March, 2025

    81.5 °F

Climate (2020–Present)

Galliano, South Lafourche Airport (17.4 miles)

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  • Average Low 2020–2025

    64.3 °F

  • Average 2020–2025

    72.1 °F

  • Average High 2020–2025

    79.5 °F
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