Cougar Mountain Weather Forecast

    • 57
    • 82

    Increasing Clouds

    • 57
    • 82

    Partly Sunny

    • 57
    • 76

    Rain Likely

    • 56
    • 76

    Partly Sunny

    • 57
    • 78

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

Today 14 Jul Foothills and Valleys of Central King County

Sunny. Highs in the lower to mid 80s. Light wind.

Tonight 14 Jul Foothills and Valleys of Central King County

Mostly clear. Lows in the mid to upper 50s. Light wind.

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  • Temperature Real-Time

Cougar Mountain Temperature Statistics

July Temperature

Renton Municipal Airport (5.6 miles)

  • Lowest 1 July, 2026

    55 °F

  • Average July

    65.7 °F

  • Highest 6 July, 2026

    84 °F

Climate (2021–2026)

Renton Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    62.2 °F
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