Cumberland Weather Forecast

    • 55
    • 73

    Chance Rain Showers

    • 55
    • 67

    Rain Showers Likely

    • 55
    • 69

    Chance Rain Showers

    • 55
    • 69

    Mostly Cloudy

    • 55
    • 72

    Mostly Cloudy

    • 56
    • 75

    Rain Showers Likely

Today 8 Sep Foothills and Valleys of Pierce and Southern King Counties

Partly sunny. A slight chance of Showers late in the afternoon. Highs in the lower to mid 70s. Light wind.

Tonight 8 Sep Foothills and Valleys of Pierce and Southern King Counties

Mostly cloudy. A slight chance of Showers until early Morning, then a chance of Showers in the morning. Lows in the mid to upper 50s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cumberland Temperature Statistics

September Temperature

Renton Municipal Airport (19.9 miles)

  • Lowest 2 September, 2025

    60.1 °F

  • Average September

    68.3 °F

  • Highest 3 September, 2025

    82.9 °F

Climate (2020–Present)

Renton Municipal Airport (19.9 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    62.2 °F
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