Cully - Sumner Weather Forecast

    • 56
    • 81

    Becoming Sunny

    • 54
    • 85

    Chance Rain Showers

    • 46
    • 67

    Mostly Cloudy

    • 45
    • 68

    Partly Sunny

    • 48
    • 73

    Partly Sunny

    • 57
    • 85

    Partly Sunny

Today 27 May Inner Portland Metro

Sunny. Highs in the lower 80s. Northwest wind 5 to 10 Mph.

Tonight 27 May Inner Portland Metro

Mostly clear. Lows in the mid 50s. Northwest wind 5 to 10 Mph, becoming light after midnight.

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Cully - Sumner Temperature Statistics

May Temperature

Portland, Portland International Airport (2.5 miles)

  • Lowest 17 May, 2026

    41.6 °F

  • Average May

    62.3 °F

  • Highest 3 May, 2026

    91.7 °F

Climate (2021–Present)

Portland, Portland International Airport (2.5 miles)

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  • Average Low 2021–2026

    48.4 °F

  • Average 2021–2026

    56.4 °F

  • Average High 2021–2026

    65.6 °F
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