Cascade Park Weather Forecast

    • 48
    • 64

    Chance Rain Showers

    • 46
    • 64

    Mostly Cloudy

    • 45
    • 66

    Partly Sunny

    • 49
    • 71

    Partly Sunny

    • 52
    • 77

    Chance Rain Showers

    • 51
    • 73

    Slight Chance Rain Showers

Today 21 May Foothills and Valleys of Pierce and Southern King Counties

Partly sunny. Highs in the lower to mid 60s. Light wind.

Tonight 21 May Foothills and Valleys of Pierce and Southern King Counties

Mostly cloudy. A slight chance of Showers after midnight. A chance of Showers in the morning. Lows in the mid to upper 40s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cascade Park Temperature Statistics

May Temperature

Renton Municipal Airport (2.5 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 (2.5 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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