Grand Isle Weather Forecast

    • 73
    • 77

    Partly Sunny

    • 71
    • 78

    Mostly Cloudy

    • 68
    • 77

    Partly Sunny

    • 67
    • 75

    Partly Sunny

    • 65
    • 74

    Partly Sunny

    • 64
    • 72

    Partly Sunny

Today 2 Nov Coastal Jefferson

Partly sunny. A slight chance of Showers this afternoon. Highs in the upper 70s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 2 Nov Coastal Jefferson

Mostly cloudy in the Evening, then becoming partly cloudy. Near steady temperature in the lower 70s. 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)

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  • Average November

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Climate (–)

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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