Isle Grande Terre Weather Forecast

    • 81
    • 87

    Thunderstorms Likely

    • 81
    • 88

    Chance Thunderstorms

    • 81
    • 87

    Chance Thunderstorms

    • 81
    • 87

    Chance Thunderstorms

    • 80
    • 85

    Chance Thunderstorms

    • 80
    • 86

    Chance Thunderstorms

Today 16 Aug Coastal Jefferson

Sunny. A chance of Showers and Thunderstorms this Morning, then Showers and Thunderstorms likely this afternoon. Highs in the upper 80s. Northwest Winds around 5 Mph. Chance of rain 60 percent.

Tonight 16 Aug Coastal Jefferson

Mostly clear. A chance of Showers and Thunderstorms in the evening. Humid with Lows in the upper 70s. Southwest Winds around 5 Mph, becoming northwest after midnight. Chance of rain 40 percent.

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Isle Grande Terre Temperature Statistics

August Temperature

Port Fourchon (19.3 miles)

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Climate (2020–Present)

Port Fourchon (19.3 miles)

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  • Average Low 2020–2020

    79.2 °F

  • Average 2020–2020

    82.5 °F

  • Average High 2020–2020

    85.7 °F
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