Cumberland Weather Forecast

    • 42
    • 56

    Rain Showers

    • 43
    • 61

    Mostly Cloudy

    • 44
    • 64

    Mostly Cloudy

    • 43
    • 63

    Chance Rain

    • 46
    • 66

    Partly Sunny

    • 51
    • 76

    Chance Rain

Today 20 May Foothills and Valleys of Pierce and Southern King Counties

Mostly cloudy with a chance of Showers in the Morning, then mostly cloudy with Showers likely and a slight chance of Thunderstorms in the afternoon. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Highs near 60. South wind to 10 Mph becoming southwest around 10 Mph in the afternoon.

Tonight 20 May Foothills and Valleys of Pierce and Southern King Counties

Mostly cloudy. A slight chance of Thunderstorms in the evening. A chance of Showers in the evening. A slight chance of Showers after midnight. Lows in the upper 30s to mid 40s. Southwest wind to 10 Mph in the evening becoming light.

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Cumberland Temperature Statistics

May Temperature

Renton Municipal Airport (19.9 miles)

  • Lowest 4 May, 2025

    41.6 °F

  • Average May

    56.4 °F

  • Highest 6 May, 2025

    78.7 °F

Climate (2020–Present)

Renton Municipal Airport (19.9 miles)

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  • Average Low 2020–2025

    47.2 °F

  • Average 2020–2025

    54.3 °F

  • Average High 2020–2025

    62 °F
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