Cranberry Island Weather Forecast

    • 31
    • 39

    Rain

    • 27
    • 37

    Chance Snow

    • 21
    • 33

    Breezy

    • 17
    • 24

    Blustery

    • 26
    • 31

    Mostly Cloudy

    • 21
    • 34

    Chance Snow

Today 17 Jan Knox

Snow likely in the Morning, then rain and snow in the afternoon. Snow accumulation around an inch. Highs in the mid 30s. South Winds around 10 Mph with Gusts up to 20 Mph. Chance of precipitation 90 percent.

Tonight 17 Jan Knox

Mostly cloudy. Lows around 16. Light and variable Winds.

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Cranberry Island Temperature Statistics

January Temperature

Rockland, Knox County Regional Airport (15.5 miles)

  • Lowest 5 January, 2026

    6.1 °F

  • Average January

    27.3 °F

  • Highest 14 January, 2026

    46.9 °F

Climate (2021–Present)

Rockland, Knox County Regional Airport (15.5 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    55.1 °F
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