Three Forks Natural Area Weather Forecast

    • 54
    • 75

    Chance Rain Showers

    • 53
    • 75

    Mostly Cloudy

    • 53
    • 75

    Mostly Cloudy

    • 53
    • 76

    Partly Sunny

    • 50
    • 76

    Mostly Sunny

    • 54
    • 80

    Mostly Sunny

    • 56
    • 85

    Sunny

Today 16 Aug Foothills and Valleys of Central King County

Partly sunny. A chance of rain in the morning. A slight chance of rain in the late morning and early Afternoon, then a chance of rain late in the afternoon. Highs in the 70s. South wind to 10 Mph with Gusts to 20 Mph becoming southwest around 10 Mph in the afternoon.

Tonight 16 Aug Foothills and Valleys of Central King County

Mostly cloudy. A chance of Showers in the Evening, then a slight chance of Showers in the late evening and early morning. Lows in the mid to upper 50s. Southwest wind to 10 Mph in the evening becoming light.

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Three Forks Natural Area Temperature Statistics

August Temperature

Renton Municipal Airport (19.3 miles)

  • Lowest 8 August, 2025

    52.6 °F

  • Average August

    69.8 °F

  • Highest 12 August, 2025

    92.6 °F

Climate (2020–Present)

Renton Municipal Airport (19.3 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    62.2 °F
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