Portland Weather Forecast

    • 56
    • 72

    Mostly Sunny

    • 55
    • 75

    Chance Rain Showers

    • 52
    • 61

    Chance Rain Showers

    • 53
    • 59

    Chance Rain Showers

    • 54
    • 62

    Chance Rain Showers

    • 54
    • 64

    Chance Rain Showers

Today 29 May Coastal Cumberland

Mostly sunny. Highs in the upper 70s. Light and variable Winds, becoming south around 10 Mph with Gusts up to 25 Mph in the afternoon.

Tonight 29 May Coastal Cumberland

Mostly clear. Lows in the mid 50s. Southwest Winds around 10 Mph with Gusts up to 20 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 9 May, 2022

    33.1 °F
  • Average May

    53.9 °F
  • Highest 14 May, 2022

    82.9 °F

Climate (2010–Present)

Portland, Portland International Jetport (2.5 miles)

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  • Average Low 2010–Present

    39.5 °F
  • Average 2010–Present

    47.7 °F
  • Average High 2010–Present

    55.7 °F
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