Biddeford Weather Forecast

    • 43
    • 66

    Rain Showers

    • 43
    • 63

    Rain Showers Likely

    • 48
    • 72

    Rain Showers

    • 50
    • 72

    Mostly Sunny

    • 56
    • 81

    Partly Sunny

    • 58
    • 85

    Mostly Cloudy

Today 31 May Coastal York

Partly sunny with isolated Showers this Morning, then mostly cloudy with numerous Showers with isolated Thunderstorms this afternoon. Highs in the mid 60s. Light and variable Winds. Chance of rain 70 percent.

Tonight 31 May Coastal York

Numerous Showers with isolated Thunderstorms in the Evening, then Showers likely after midnight. Lows in the mid 40s. Light and variable Winds. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Biddeford Temperature Statistics

May Temperature

Portland, Portland International Jetport (12.4 miles)

  • Lowest 8 May, 2026

    36.6 °F

  • Average May

    56.5 °F

  • Highest 19 May, 2026

    92.6 °F

Climate (2021–Present)

Portland, Portland International Jetport (12.4 miles)

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  • Average Low 2021–2026

    40.1 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    57.2 °F
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