Grand Isle Weather Forecast

    • 57
    • 62

    Increasing Clouds

    • 65
    • 72

    Mostly Cloudy

    • 61
    • 74

    Chance Rain Showers

    • 53
    • 70

    Rain Showers

    • 51
    • 61

    Partly Sunny

    • 60
    • 66

    Mostly Cloudy

Today 28 Nov Coastal Jefferson

Sunny. Highs around 60. Northeast Winds 15 to 20 Mph.

Tonight 28 Nov Coastal Jefferson

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 40s. Temperature rising into the mid 50s after midnight. East Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Grand Isle Temperature Statistics

November Temperature

Port Fourchon (14.9 miles)

  • Lowest

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  • Average November

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  • Highest

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Climate (–Present)

Port Fourchon (14.9 miles)

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  • Average Low –

    71.6 °F

  • Average –

    72.5 °F

  • Average High –

    75.2 °F
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