Saco River - Biddeford Weather Forecast

    • 34
    • 44

    Rain Likely

    • 23
    • 54

    Rain

    • 26
    • 38

    Slight Chance Snow

    • 16
    • 43

    Mostly Sunny

    • 12
    • 28

    Mostly Sunny

    • 21
    • 34

    Chance Snow

    • 14
    • 36

    Partly Sunny

Today 18 Dec Coastal York

Mostly sunny. Highs in the mid 40s. South Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 18 Dec Coastal York

Partly cloudy in the Evening, then cloudy with rain likely after midnight. Areas of fog after midnight. Lows in the mid 30s. Temperatures rising into the mid 40s after midnight. South Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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Saco River - Biddeford Temperature Statistics

December Temperature

Portland, Portland International Jetport (12.4 miles)

  • Lowest 9 December, 2025

    -0.9 °F

  • Average December

    24.1 °F

  • Highest 1 December, 2025

    39 °F

Climate (2020–Present)

Portland, Portland International Jetport (12.4 miles)

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  • Average Low 2020–2025

    40.4 °F

  • Average 2020–2025

    48.9 °F

  • Average High 2020–2025

    57.3 °F
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