Isle Au Haut - Old Cove Weather Forecast

    • 59
    • 68

    Areas Fog

    • 60
    • 71

    Mostly Cloudy

    • 60
    • 72

    Partly Sunny

    • 60
    • 72

    Partly Sunny

    • 59
    • 70

    Chance Rain Showers

    • 60
    • 70

    Chance Rain Showers

Today 18 Aug Knox

Partly sunny. Highs in the mid 70s. Light and variable Winds.

Tonight 18 Aug Knox

Partly cloudy in the Evening, then becoming mostly cloudy. Areas of fog. Visibility one quarter mile or less at Times after midnight. Lows around 60. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Isle Au Haut - Old Cove Temperature Statistics

August Temperature

Rockland, Knox County Regional Airport (24.2 miles)

  • Lowest 16 August, 2026

    54 °F

  • Average August

    69.3 °F

  • Highest 6 August, 2026

    86 °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

    39.5 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.9 °F
Get WillyWeather+ to remove ads