Sumner Weather Forecast

    • 50
    • 59

    Rain Showers

    • 52
    • 62

    Rain Likely

    • 49
    • 67

    Mostly Cloudy

    • 49
    • 62

    Rain

    • 48
    • 57

    Rain

    • 46
    • 57

    Rain

    • 43
    • 54

    Rain

Today 9 Nov Inner Portland Metro

Mostly cloudy in the Morning, then becoming partly sunny. A 50 percent chance of rain. Highs in the lower 50s.

Tonight 9 Nov Inner Portland Metro

Mostly cloudy. A slight chance of rain this Evening, then a chance of rain after midnight. Lows around 50. South wind 5 to 10 Mph. Chance of rain 50 percent. Rainfall Amounts a tenth to a quarter of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sumner Temperature Statistics

November Temperature

Portland, Portland International Airport (3.1 miles)

  • Lowest 1 November, 2026

    39.7 °F

  • Average November

    52.2 °F

  • Highest 6 November, 2026

    62.1 °F

Climate (2021–2026)

Portland, Portland International Airport (3.1 miles)

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  • Average Low 2021–2026

    48.3 °F

  • Average 2021–2026

    56.4 °F

  • Average High 2021–2026

    65.5 °F
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