Sumner Weather Forecast

    • 58
    • 81

    Increasing Clouds

    • 56
    • 77

    Mostly Cloudy

    • 54
    • 78

    Partly Sunny

    • 55
    • 81

    Mostly Sunny

    • 57
    • 84

    Mostly Sunny

    • 55
    • 80

    Partly Sunny

Today 27 Jul Lowlands of Pierce and Southern King Counties

Partly sunny in the morning then becoming sunny. Patchy fog in the morning. Highs in the 70s. South wind to 10 Mph becoming west in the afternoon.

Tonight 27 Jul Lowlands of Pierce and Southern King Counties

Partly cloudy. Lows in the mid 50s to lower 60s. West wind to 10 Mph becoming southwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sumner Temperature Statistics

July Temperature

Tacoma / McChord Air Force Base (11.8 miles)

  • Lowest 13 July, 2026

    45 °F

  • Average July

    66.5 °F

  • Highest 21 July, 2026

    93.9 °F

Climate (2021–2026)

Tacoma / McChord Air Force Base (11.8 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    52.2 °F

  • Average High 2021–2026

    61.5 °F
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