Isle Au Haut - Old Cove Weather Forecast

    • 54
    • 68

    Patchy Fog

    • 55
    • 68

    Partly Sunny

    • 57
    • 66

    Partly Sunny

    • 58
    • 69

    Chance Rain Showers

    • 59
    • 67

    Rain Showers Likely

    • 60
    • 68

    Chance Rain Showers

Today 25 Jul Knox

Mostly sunny. Highs around 80. Light and variable Winds, becoming south around 10 Mph this afternoon.

Tonight 25 Jul Knox

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Isle Au Haut - Old Cove Temperature Statistics

July Temperature

Rockland, Knox County Regional Airport (24.2 miles)

  • Lowest 17 July, 2026

    52 °F

  • Average July

    69.4 °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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