Seal Harbor Weather Forecast

    • 24
    • 35

    Increasing Clouds

    • 31
    • 46

    Rain

    • 18
    • 41

    Slight Chance Rain/Snow

    • 20
    • 32

    Partly Sunny

    • 17
    • 34

    Chance Snow

    • 14
    • 30

    Partly Sunny

Today 9 Dec Knox

Mostly sunny. Highs in the upper 20s. Light and variable Winds.

Tonight 9 Dec Knox

Mostly cloudy. A chance of snow Showers in the Evening, then snow Showers likely after midnight. Light snow accumulation possible. Lows 15 to 21. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of snow 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seal Harbor Temperature Statistics

December Temperature

Rockland, Knox County Regional Airport (5 miles)

  • Lowest 5 December, 2025

    5 °F

  • Average December

    26.3 °F

  • Highest 1 December, 2025

    41 °F

Climate (2020–Present)

Rockland, Knox County Regional Airport (5 miles)

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  • Average Low 2020–2025

    39.9 °F

  • Average 2020–2025

    47.9 °F

  • Average High 2020–2025

    55.2 °F
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