Elwell Island Weather Forecast

    • 18
    • 43

    Rain

    • 12
    • 26

    Mostly Cloudy

    • 12
    • 32

    Chance Snow

    • 11
    • 22

    Slight Chance Snow

    • 13
    • 25

    Slight Chance Snow

    • 16
    • 30

    Partly Sunny

Today 29 Dec Knox

Snow, rain. Areas of fog. Snow accumulation around an inch. Highs in the lower 40s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation near 100 percent.

Tonight 29 Dec Knox

Areas of fog in the evening. Mostly cloudy with rain in the Evening, then partly cloudy after midnight. Lows around 17. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 80 percent.

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Elwell Island Temperature Statistics

December Temperature

Rockland, Knox County Regional Airport (5.6 miles)

  • Lowest 9 December, 2025

    -2 °F

  • Average December

    27 °F

  • Highest 19 December, 2025

    54 °F

Climate (2020–Present)

Rockland, Knox County Regional Airport (5.6 miles)

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  • Average Low 2020–2025

    39.8 °F

  • Average 2020–2025

    47.9 °F

  • Average High 2020–2025

    55.2 °F
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