Sumner Weather Forecast

    • 43
    • 58

    Dense Fog

    • 41
    • 52

    Dense Fog

    • 37
    • 52

    Partly Sunny

    • 36
    • 53

    Mostly Sunny

    • 36
    • 54

    Mostly Sunny

    • 36
    • 53

    Mostly Sunny

Today 13 Jan Lowlands of Pierce and Southern King Counties

Partly sunny. Patchy fog in the morning. Highs in the 50s. Light wind.

Tonight 13 Jan Lowlands of Pierce and Southern King Counties

Mostly cloudy. Widespread dense fog after midnight. Lows in the 40s. Light wind.

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Sumner Temperature Statistics

January Temperature

Tacoma / McChord Air Force Base (11.8 miles)

  • Lowest 1 January, 2026

    31.6 °F

  • Average January

    42.5 °F

  • Highest 3 January, 2026

    55.6 °F

Climate (2021–Present)

Tacoma / McChord Air Force Base (11.8 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    61.4 °F
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