Saco River - Thunder Island Weather Forecast

    • 29
    • 40

    Mostly Cloudy

    • 35
    • 47

    Mostly Cloudy

    • 41
    • 54

    Chance Rain

    • 46
    • 58

    Rain

    • 31
    • 55

    Chance Rain Showers

    • 33
    • 51

    Partly Sunny

    • 38
    • 57

    Mostly Cloudy

Today 13 Mar Coastal York

Mostly cloudy. Highs around 40. East Winds around 10 Mph.

Tonight 13 Mar Coastal York

Mostly cloudy this Evening, then becoming partly cloudy. Lows in the upper 20s. Southeast Winds around 10 Mph this Evening, becoming light and variable.

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Saco River - Thunder Island Temperature Statistics

March Temperature

Portland, Portland International Jetport (12.4 miles)

  • Lowest 3 March, 2025

    2.8 °F

  • Average March

    33.1 °F

  • Highest 10 March, 2025

    52 °F

Climate (2020–Present)

Portland, Portland International Jetport (12.4 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    49 °F

  • Average High 2020–2025

    57.4 °F
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