Howard A Hanson Reservoir Weather Forecast

    • 62
    • 83

    Mostly Cloudy

    • 63
    • 87

    Mostly Cloudy

    • 63
    • 88

    Partly Sunny

    • 56
    • 81

    Partly Sunny

    • 54
    • 74

    Partly Sunny

    • 54
    • 71

    Partly Sunny

    • 54
    • 72

    Mostly Cloudy

Today 20 Jul Foothills and Valleys of Pierce and Southern King Counties

Partly sunny. Patchy smoke in the afternoon. Highs in the 80s. Light wind.

Tonight 20 Jul Foothills and Valleys of Pierce and Southern King Counties

Mostly cloudy until early morning then becoming partly cloudy. Lows in the lower to mid 60s. Light wind.

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Howard A Hanson Reservoir Temperature Statistics

July Temperature

Seattle, Seattle-Tacoma International Airport (28 miles)

  • Lowest 1 July, 2026

    52.6 °F

  • Average July

    65.7 °F

  • Highest 6 July, 2026

    85.6 °F

Climate (2021–2026)

Seattle, Seattle-Tacoma International Airport (28 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    61.2 °F
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