Howard A Hanson Reservoir Weather Forecast

    • 39
    • 52

    Sunny

    • 39
    • 52

    Sunny

    • 37
    • 53

    Sunny

    • 37
    • 54

    Mostly Sunny

    • 37
    • 52

    Partly Sunny

    • 38
    • 46

    Chance Rain

Today 16 Jan Foothills and Valleys of Pierce and Southern King Counties

Sunny. Patchy dense fog in the morning. Highs in the lower to mid 50s. Light wind.

Tonight 16 Jan Foothills and Valleys of Pierce and Southern King Counties

Mostly clear. Lows in the 30s. Light wind.

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  • Temperature Real-Time

Howard A Hanson Reservoir Temperature Statistics

January Temperature

Seattle, Seattle-Tacoma International Airport (28 miles)

  • Lowest 1 January, 2026

    34 °F

  • Average January

    44.9 °F

  • Highest 13 January, 2026

    57 °F

Climate (2021–Present)

Seattle, Seattle-Tacoma International Airport (28 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    53.3 °F

  • Average High 2021–2026

    61.1 °F
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