Downtown Portland Weather Forecast

    • 46
    • 68

    Becoming Sunny

    • 49
    • 73

    Mostly Sunny

    • 57
    • 86

    Sunny

    • 58
    • 90

    Partly Sunny

    • 53
    • 75

    Mostly Cloudy

    • 51
    • 75

    Partly Sunny

Today 30 May Inner Portland Metro

Mostly cloudy this Morning, then clearing. Highs in the upper 60s. Northwest wind 5 to 10 Mph.

Tonight 30 May Inner Portland Metro

Mostly clear. Lows in the mid 40s. Northwest wind 5 to 10 Mph.

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Downtown Portland Temperature Statistics

May Temperature

Portland, Portland International Airport (6.2 miles)

  • Lowest 17 May, 2026

    41.6 °F

  • Average May

    62.6 °F

  • Highest 3 May, 2026

    91.7 °F

Climate (2021–Present)

Portland, Portland International Airport (6.2 miles)

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  • Average Low 2021–2026

    48.5 °F

  • Average 2021–2026

    56.4 °F

  • Average High 2021–2026

    65.6 °F
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