Inner Heron Island Weather Forecast

    • 23
    • 29

    Increasing Clouds

    • 26
    • 38

    Chance Rain/Snow

    • 19
    • 34

    Chance Snow

    • 14
    • 27

    Mostly Sunny

    • 28
    • 34

    Chance Snow

    • 31
    • 38

    Rain/Snow Likely

Today 5 Dec Lincoln

Mostly sunny. Highs in the mid 20s. Light and variable Winds, becoming southwest around 10 Mph in the afternoon.

Tonight 5 Dec Lincoln

Partly cloudy. Lows around 11. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Inner Heron Island Temperature Statistics

December Temperature

Wiscasset Airport (11.8 miles)

  • Lowest 1 December, 2025

    21 °F

  • Average December

    30.2 °F

  • Highest 1 December, 2025

    39.9 °F

Climate (2020–Present)

Wiscasset Airport (11.8 miles)

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  • Average Low 2020–2025

    38.9 °F

  • Average 2020–2025

    48.6 °F

  • Average High 2020–2025

    58 °F
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