Sumner Weather Forecast

    • 65
    • 98

    Hot

    • 53
    • 84

    Mostly Sunny

    • 56
    • 82

    Mostly Sunny

    • 61
    • 91

    Partly Sunny

    • 57
    • 90

    Mostly Sunny

    • 56
    • 84

    Mostly Sunny

Today 15 Jun Inner Portland Metro

Mostly sunny. Highs in the upper 90s. North wind 5 to 10 Mph.

Tonight 15 Jun Inner Portland Metro

Partly cloudy in the Evening, then clearing. Lows in the lower 60s. Northwest wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sumner Temperature Statistics

June Temperature

Portland, Portland International Airport (3.1 miles)

  • Lowest 11 June, 2026

    49.6 °F

  • Average June

    63.5 °F

  • Highest 2 June, 2026

    88.6 °F

Climate (2021–Present)

Portland, Portland International Airport (3.1 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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