Tol-MacDonald Park and Campground Weather Forecast

    • 42
    • 66

    Becoming Sunny

    • 50
    • 66

    Rain Likely

    • 51
    • 62

    Rain

    • 47
    • 65

    Slight Chance Rain

    • 46
    • 66

    Slight Chance Rain

    • 44
    • 65

    Partly Sunny

Today 27 Sep Foothills and Valleys of Central King County

Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the 60s. Northeast wind to 10 Mph in the morning becoming light.

Tonight 27 Sep Foothills and Valleys of Central King County

Mostly clear. Lows in the lower to mid 40s. Light wind.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Tol-MacDonald Park and Campground Temperature Statistics

September Temperature

Renton Municipal Airport (16.8 miles)

  • Lowest 6 September, 2026

    51.1 °F

  • Average September

    61.3 °F

  • Highest 9 September, 2026

    79 °F

Climate (2021–2026)

Renton Municipal Airport (16.8 miles)

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

  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    62.2 °F
Get WillyWeather+ to remove ads