Grand Isle State Park Weather Forecast

    • 61
    • 68

    Breezy

    • 62
    • 67

    Chance Rain Showers

    • 66
    • 69

    Slight Chance Rain Showers

    • 67
    • 72

    Breezy

    • 67
    • 72

    Partly Sunny

    • 68
    • 72

    Partly Sunny

Today 15 Nov Coastal Jefferson

Cloudy. Highs in the upper 60s. East Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 15 Nov Coastal Jefferson

Cloudy. A chance of rain after midnight. Breezy with Lows in the lower 50s. Northeast Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of rain 40 percent.

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Grand Isle State Park Temperature Statistics

November Temperature

Port Fourchon (17.4 miles)

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  • Average November

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Climate (–)

Port Fourchon (17.4 miles)

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  • Average Low –

    71.6 °F

  • Average –

    72.5 °F

  • Average High –

    75.2 °F
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