Sumner Weather Forecast

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    Rain

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    Rain

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    Rain

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    Rain

Today 4 Dec Inner Portland Metro

Patchy fog this morning. Rain. Highs in the upper 40s. Winds light. Chance of rain near 100 percent. Rainfall Amounts a tenth to a quarter of an inch.

Tonight 4 Dec Inner Portland Metro

Rain. Lows in the mid 40s. Southwest wind 5 to 10 Mph. Chance of rain near 100 percent. Rainfall Amounts a quarter to a half of an inch.

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Sumner Temperature Statistics

December Temperature

Portland, Portland International Airport (3.1 miles)

  • Lowest 1 December, 2025

    33.1 °F

  • Average December

    42.4 °F

  • Highest 2 December, 2025

    46.9 °F

Climate (2020–Present)

Portland, Portland International Airport (3.1 miles)

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  • Average Low 2020–2025

    48.4 °F

  • Average 2020–2025

    56.2 °F

  • Average High 2020–2025

    65.4 °F
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