Isle Au Haut - Old Cove Weather Forecast

    • 58
    • 75

    Partly Sunny

    • 60
    • 65

    Mostly Cloudy

    • 61
    • 66

    Chance Rain Showers

    • 61
    • 73

    Chance Rain Showers

    • 61
    • 74

    Mostly Sunny

    • 60
    • 73

    Partly Sunny

Today 31 Jul Knox

Patchy fog in the morning. Partly sunny. Highs around 80. North Winds around 10 Mph in the Morning, becoming light and variable.

Tonight 31 Jul Knox

Partly cloudy in the Evening, then clearing. Lows in the upper 50s. 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 27 July, 2026

    44.1 °F

  • Average July

    68.1 °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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