Riverton-Boulevard Park Weather Forecast

    • 49
    • 61

    Rain

    • 49
    • 63

    Partly Sunny

    • 48
    • 64

    Partly Sunny

    • 53
    • 64

    Mostly Cloudy

    • 53
    • 63

    Chance Rain

    • 51
    • 64

    Mostly Cloudy

Today 25 Sep Lowlands of Pierce and Southern King Counties

Breezy. Showers likely in the morning. A slight chance of Thunderstorms through the day. Showers in the afternoon. Rainfall Amounts a quarter to a half inch Possible, except higher Amounts possible in Thunderstorms. Highs in the mid 50s to lower 60s. Southwest wind 15 to 25 Mph with Gusts to 45 Mph.

Tonight 25 Sep Lowlands of Pierce and Southern King Counties

Mostly clear. A slight chance of Showers in the evening. Lows in the 40s. Southwest wind 10 to 20 Mph. Gusts to 35 Mph in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Riverton-Boulevard Park Temperature Statistics

September Temperature

Boeing Field - King County International Airport (2.5 miles)

  • Lowest 19 September, 2026

    52 °F

  • Average September

    62 °F

  • Highest 9 September, 2026

    78.1 °F

Climate (2021–2026)

Boeing Field - King County International Airport (2.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    61.6 °F
Get WillyWeather+ to remove ads