Beach Island Weather Forecast

    • 23
    • 42

    Breezy

    • 25
    • 30

    Partly Sunny

    • 30
    • 38

    Rain/Snow

    • 26
    • 34

    Partly Sunny

    • 31
    • 36

    Chance Rain

    • 28
    • 39

    Chance Rain

Today 21 Dec Coastal York

Partly sunny. Highs in the lower 40s. Temperatures falling into the lower 30s in the afternoon. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 21 Dec Coastal York

Partly cloudy in the Evening, then becoming mostly clear. Lows around 16. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Beach Island Temperature Statistics

December Temperature

Portland, Portland International Jetport (13.7 miles)

  • Lowest 9 December, 2025

    -0.9 °F

  • Average December

    25.3 °F

  • Highest 18 December, 2025

    42.1 °F

Climate (2020–Present)

Portland, Portland International Jetport (13.7 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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