Riverton-Boulevard Park Weather Forecast

    • 54
    • 69

    Decreasing Clouds

    • 56
    • 72

    Mostly Sunny

    • 57
    • 76

    Mostly Sunny

    • 54
    • 73

    Mostly Cloudy

    • 54
    • 69

    Partly Sunny

    • 54
    • 69

    Partly Sunny

Today 7 Sep Lowlands of Pierce and Southern King Counties

Mostly cloudy. A slight chance of rain in the afternoon. Highs in the 60s to lower 70s. South wind to 10 Mph becoming southwest in the afternoon.

Tonight 7 Sep Lowlands of Pierce and Southern King Counties

Partly cloudy. Lows in the upper 40s to mid 50s. Light wind.

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  • Temperature Real-Time

Riverton-Boulevard Park Temperature Statistics

September Temperature

Boeing Field - King County International Airport (2.5 miles)

  • Lowest 4 September, 2026

    54 °F

  • Average September

    61.4 °F

  • Highest 2 September, 2026

    71.1 °F

Climate (2021–2026)

Boeing Field - King County International Airport (2.5 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    61.6 °F
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