Isle Au Haut - Old Cove Weather Forecast

    • 50
    • 59

    Becoming Sunny

    • 45
    • 58

    Mostly Sunny

    • 48
    • 55

    Mostly Sunny

    • 53
    • 60

    Chance Rain

    • 49
    • 59

    Slight Chance Rain

    • 45
    • 57

    Chance Rain

Today 8 Oct Knox

Mostly cloudy with Showers likely this Morning, then partly sunny with a slight chance of Showers this afternoon. Highs in the mid 60s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 8 Oct Knox

Mostly clear. Lows in the lower 40s. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Isle Au Haut - Old Cove Temperature Statistics

October Temperature

Rockland, Knox County Regional Airport (24.2 miles)

  • Lowest 4 October, 2026

    39 °F

  • Average October

    56 °F

  • Highest 2 October, 2026

    72 °F

Climate (2021–2026)

Rockland, Knox County Regional Airport (24.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.8 °F
Get WillyWeather+ to remove ads