Isle Au Haut - Old Cove Weather Forecast

    • 27
    • 31

    Increasing Clouds

    • 31
    • 34

    Partly Sunny

    • 35
    • 41

    Chance Rain/Snow

    • 35
    • 41

    Chance Rain

    • 29
    • 42

    Chance Rain/Snow

    • 26
    • 38

    Partly Sunny

Today 18 Mar Knox

Sunny this Morning, then becoming partly sunny. Highs in the lower 30s. West Winds around 10 Mph with Gusts up to 25 Mph.

Tonight 18 Mar Knox

Partly cloudy. Lows in the lower 20s. Light and variable Winds.

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Isle Au Haut - Old Cove Temperature Statistics

March Temperature

Rockland, Knox County Regional Airport (24.2 miles)

  • Lowest 2 March, 2026

    3 °F

  • Average March

    34.7 °F

  • Highest 10 March, 2026

    57 °F

Climate (2021–Present)

Rockland, Knox County Regional Airport (24.2 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    55 °F
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