Newcastle Weather Forecast

    • 12
    • 33

    Snow

    • 11
    • 25

    Partly Sunny

    • 20
    • 32

    Partly Sunny

    • 20
    • 41

    Partly Sunny

    • 36
    • 44

    Rain Likely

    • 15
    • 47

    Slight Chance Rain

Today 14 Dec Lincoln

Snow. Snow accumulation around an inch. Highs in the lower 30s. North Winds around 10 Mph. Gusts up to 25 Mph this afternoon. Chance of snow near 100 percent.

Tonight 14 Dec Lincoln

Partly cloudy with a slight chance of snow in the Evening, then mostly clear after midnight. Lows around 12. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of snow 20 percent. Wind chill Values as low as 1 below.

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Newcastle Temperature Statistics

December Temperature

Wiscasset Airport (9.3 miles)

  • Lowest 9 December, 2025

    -2.9 °F

  • Average December

    24.1 °F

  • Highest 10 December, 2025

    41 °F

Climate (2020–Present)

Wiscasset Airport (9.3 miles)

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  • Average Low 2020–2025

    38.9 °F

  • Average 2020–2025

    48.5 °F

  • Average High 2020–2025

    58 °F
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