Howard A Hanson Reservoir Weather Forecast

    • 40
    • 55

    Mostly Cloudy

    • 44
    • 64

    Partly Sunny

    • 44
    • 67

    Mostly Sunny

    • 41
    • 55

    Rain Likely

    • 36
    • 48

    Mostly Cloudy

    • 39
    • 49

    Chance Rain

    • 39
    • 52

    Chance Rain

Today 19 Oct Foothills and Valleys of Pierce and Southern King Counties

Mostly sunny. Highs in the upper 50s.

Tonight 19 Oct Foothills and Valleys of Pierce and Southern King Counties

Mostly cloudy. Patchy fog after midnight. Areas of fog late in the night. Lows in the upper 30s to mid 40s. Light wind.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Howard A Hanson Reservoir Temperature Statistics

October Temperature

Seattle, Seattle-Tacoma International Airport (28 miles)

  • Lowest 12 October, 2026

    41.6 °F

  • Average October

    58 °F

  • Highest 16 October, 2026

    75 °F

Climate (2021–2026)

Seattle, Seattle-Tacoma International Airport (28 miles)

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

  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    61.4 °F
Get WillyWeather+ to remove ads