Isle Au Haut - Old Cove Weather Forecast

    • 56
    • 71

    Becoming Sunny

    • 58
    • 68

    Mostly Sunny

    • 59
    • 65

    Rain Showers

    • 60
    • 69

    Rain Showers Likely

    • 59
    • 69

    Slight Chance Rain Showers

    • 58
    • 69

    Partly Sunny

Today 19 Jul Knox

Mostly sunny. Highs in the upper 70s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 19 Jul Knox

Mostly clear. Lows in the upper 50s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph in the Evening, becoming light and variable.

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Isle Au Haut - Old Cove Temperature Statistics

July Temperature

Rockland, Knox County Regional Airport (24.2 miles)

  • Lowest 12 July, 2026

    54 °F

  • Average July

    71.2 °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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