Beach Island Weather Forecast

    • 54
    • 68

    Mostly Sunny

    • 56
    • 66

    Increasing Clouds

    • 59
    • 64

    Slight Chance Rain Showers

    • 61
    • 68

    Partly Sunny

    • 51
    • 69

    Mostly Sunny

    • 51
    • 60

    Mostly Sunny

    • 56
    • 62

    Mostly Sunny

Today 15 Sep Coastal York

Mostly sunny. Highs in the lower 70s. Light and variable Winds.

Tonight 15 Sep Coastal York

Mostly clear. Lows around 50. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Beach Island Temperature Statistics

September Temperature

Portland, Portland International Jetport (13.7 miles)

  • Lowest 9 September, 2025

    46 °F

  • Average September

    62.3 °F

  • Highest 11 September, 2025

    80.1 °F

Climate (2020–Present)

Portland, Portland International Jetport (13.7 miles)

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  • Average Low 2020–2025

    40.5 °F

  • Average 2020–2025

    49 °F

  • Average High 2020–2025

    57.4 °F
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