Isle Au Haut - Old Cove Weather Forecast

    • 58
    • 70

    Patchy Fog

    • 57
    • 67

    Rain

    • 59
    • 66

    Rain

    • 59
    • 69

    Mostly Cloudy

    • 60
    • 69

    Mostly Cloudy

    • 61
    • 70

    Chance Rain Showers

Today 28 Jul Knox

Partly sunny. Highs in the lower 70s. Southeast Winds around 10 Mph.

Tonight 28 Jul Knox

Cloudy. Areas of fog. Visibility one quarter mile or less at Times. Lows in the lower 60s. Light and variable Winds.

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Isle Au Haut - Old Cove Temperature Statistics

July Temperature

Rockland, Knox County Regional Airport (24.2 miles)

  • Lowest 26 July, 2026

    48 °F

  • Average July

    68.6 °F

  • Highest 2 July, 2026

    91.9 °F

Climate (2021–2026)

Rockland, Knox County Regional Airport (24.2 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.8 °F
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