Isle La Motte Weather Forecast

    • 48
    • 76

    Becoming Sunny

    • 52
    • 71

    Partly Sunny

    • 61
    • 75

    Chance Rain Showers

    • 58
    • 70

    Rain Showers Likely

    • 57
    • 77

    Mostly Sunny

    • 63
    • 82

    Mostly Sunny

    • 64
    • 85

    Chance Rain Showers

Today 17 Aug Grand Isle

Showers, breezy and not as warm with Highs in the mid 70s. Temperature falling into the lower 60s late. North Winds 20 to 25 Mph. Chance of rain 80 percent.

Tonight 17 Aug Grand Isle

Mostly clear. Lows around 50. North Winds 15 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Isle La Motte Temperature Statistics

August Temperature

Franklin County State Airport (12.4 miles)

  • Lowest 2 August, 2025

    48.4 °F

  • Average August

    72.5 °F

  • Highest 12 August, 2025

    96.3 °F

Climate (2020–Present)

Franklin County State Airport (12.4 miles)

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  • Average Low 2020–2025

    37.1 °F

  • Average 2020–2025

    46.3 °F

  • Average High 2020–2025

    55.1 °F
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