Wiscasset Weather Forecast

    • 50
    • 78

    Increasing Clouds

    • 53
    • 74

    Mostly Cloudy

    • 55
    • 76

    Partly Sunny

    • 43
    • 75

    Mostly Sunny

    • 41
    • 68

    Mostly Sunny

    • 51
    • 70

    Partly Sunny

Today 16 Sep Lincoln

Patchy fog this morning. Mostly sunny. Highs in the upper 70s. Light and variable Winds.

Tonight 16 Sep Lincoln

Mostly clear in the Evening, then becoming partly cloudy. Lows around 50. Light and variable Winds.

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Wiscasset Temperature Statistics

September Temperature

Wiscasset Airport (3.1 miles)

  • Lowest 9 September, 2025

    44.1 °F

  • Average September

    62.8 °F

  • Highest 1 September, 2025

    82 °F

Climate (2020–Present)

Wiscasset Airport (3.1 miles)

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  • Average Low 2020–2025

    38.9 °F

  • Average 2020–2025

    48.5 °F

  • Average High 2020–2025

    57.9 °F
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