Isle Au Haut Weather Forecast

    • 57
    • 67

    Decreasing Clouds

    • 60
    • 68

    Partly Sunny

    • 62
    • 69

    Slight Chance Rain Showers

    • 58
    • 69

    Rain Showers Likely

    • 55
    • 67

    Chance Rain Showers

    • 54
    • 66

    Mostly Sunny

Today 3 Sep Knox

Areas of fog in the morning. Partly sunny. Visibility one quarter mile or less at Times in the morning. Highs in the mid 70s. South Winds around 10 Mph.

Tonight 3 Sep Knox

Mostly clear. Patchy fog after midnight. Lows in the mid 50s. Light and variable Winds.

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Isle Au Haut Temperature Statistics

September Temperature

Rockland, Knox County Regional Airport (23.6 miles)

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Climate (2020–Present)

Rockland, Knox County Regional Airport (23.6 miles)

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  • Average Low 2020–2025

    39.9 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    55.3 °F
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