Portland Weather Forecast

    • 44
    • 63

    Rain Likely

    • 41
    • 61

    Rain Showers Likely

    • 44
    • 67

    Partly Sunny

    • 49
    • 73

    Partly Sunny

    • 52
    • 72

    Chance Rain Showers

    • 51
    • 70

    Chance Rain Showers

Today 18 May Greater Portland Metro Area

Becoming partly sunny late in the afternoon. Rain in the Morning, then a chance of rain until midday. Slight chance of Showers in the afternoon. Highs 60 to 65. South wind 5 to 15 Mph shifting to the southwest 10 to 15 Mph with Gusts to 25 Mph in the afternoon. Chance of precipitation near 100 percent. Rainfall Amounts a tenth to a quarter of an inch.

Tonight 18 May Greater Portland Metro Area

Partly cloudy in the Evening, then mostly cloudy. A 50 percent chance of Showers. Lows 40 to 45. West wind 5 to 10 Mph shifting to the southwest after midnight.

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Portland Temperature Statistics

May Temperature

Portland, Portland International Airport (5.6 miles)

  • Lowest 9 May, 2022

    41 °F
  • Average May

    54.1 °F
  • Highest 4 May, 2022

    73.9 °F

Climate (2010–Present)

Portland, Portland International Airport (5.6 miles)

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  • Average Low 2010–Present

    47.3 °F
  • Average 2010–Present

    54.5 °F
  • Average High 2010–Present

    63.2 °F
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