Grand Isle (Outside) Weather Forecast

    • 41
    • 47

    Becoming Sunny

    • 53
    • 58

    Partly Sunny

    • 56
    • 63

    Rain Showers Likely

    • 41
    • 62

    Chance Rain Showers

    • 46
    • 52

    Mostly Sunny

    • 50
    • 60

    Mostly Sunny

Today 1 Feb Coastal Jefferson

Sunny. Highs in the upper 40s. North Winds 10 to 15 Mph.

Tonight 1 Feb Coastal Jefferson

Mostly clear. Areas of frost after midnight. Lows in the mid 30s. West Winds around 5 Mph.

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Grand Isle (Outside) Temperature Statistics

February Temperature

Port Fourchon (18 miles)

  • Lowest

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  • Average February

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  • Highest

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Climate (–Present)

Port Fourchon (18 miles)

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  • Average Low –

    71.6 °F

  • Average –

    72.5 °F

  • Average High –

    75.2 °F
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