Isle Au Haut - Merchants Cove Weather Forecast

    • 15
    • 21

    Increasing Clouds

    • 20
    • 24

    Slight Chance Snow

    • 21
    • 29

    Partly Sunny

    • 23
    • 30

    Partly Sunny

    • 20
    • 30

    Mostly Cloudy

    • 20
    • 27

    Partly Sunny

Today 31 Jan Knox

Mostly sunny. Highs around 19. Light and variable Winds, becoming west around 10 Mph in the afternoon.

Tonight 31 Jan Knox

Clear. Lows around 1 below. Light and variable Winds.

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Isle Au Haut - Merchants Cove Temperature Statistics

January Temperature

Rockland, Knox County Regional Airport (23.6 miles)

  • Lowest 25 January, 2026

    -7.1 °F

  • Average January

    23.7 °F

  • Highest 14 January, 2026

    46.9 °F

Climate (2021–Present)

Rockland, Knox County Regional Airport (23.6 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    55 °F
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