Sumner Weather Forecast

    • 59
    • 88

    Smoke

    • 63
    • 97

    Hot

    • 65
    • 101

    Hot

    • 63
    • 97

    Hot

    • 60
    • 90

    Mostly Sunny

    • 58
    • 84

    Mostly Sunny

Today 3 Aug Inner Portland Metro

Sunny. Patchy smoke this Morning, then smoke this afternoon. Highs in the upper 80s. North wind 5 to 10 Mph.

Tonight 3 Aug Inner Portland Metro

Clear. Patchy smoke. Lows in the upper 50s. North wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sumner Temperature Statistics

August Temperature

Portland, Portland International Airport (3.1 miles)

  • Lowest 1 August, 2026

    62.1 °F

  • Average August

    67.7 °F

  • Highest 1 August, 2026

    75 °F

Climate (2021–2026)

Portland, Portland International Airport (3.1 miles)

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  • Average Low 2021–2026

    48.4 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    65.4 °F
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