Portland Weather Forecast

    • 49
    • 61

    Mostly Cloudy

    • 51
    • 58

    Rain Showers

    • 50
    • 59

    Partly Sunny

    • 52
    • 61

    Partly Sunny

    • 54
    • 65

    Partly Sunny

    • 56
    • 64

    Chance Rain Showers

Today 17 May Coastal Cumberland

Areas of fog in the morning. Partly sunny. Highs in the mid 60s. Northeast Winds around 10 Mph, becoming east in the afternoon.

Tonight 17 May Coastal Cumberland

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 40s. East Winds around 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portland Temperature Statistics

May Temperature

Portland, Portland International Jetport (2.5 miles)

  • Lowest 11 May, 2024

    34.6 °F

  • Average May

    50.5 °F

  • Highest 7 May, 2024

    71.7 °F

Climate (2019–Present)

Portland, Portland International Jetport (2.5 miles)

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  • Average Low 2019–2024

    40.8 °F

  • Average 2019–2024

    49 °F

  • Average High 2019–2024

    57.2 °F
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