Black Diamond Airport Weather Forecast

    • 35
    • 55

    Becoming Sunny

    • 41
    • 57

    Chance Rain

    • 41
    • 59

    Chance Rain

    • 41
    • 57

    Chance Rain

    • 39
    • 56

    Chance Rain

    • 38
    • 56

    Chance Rain

Today 23 Oct Foothills and Valleys of Pierce and Southern King Counties

Mostly sunny. Highs in the mid to upper 50s. Light wind.

Tonight 23 Oct Foothills and Valleys of Pierce and Southern King Counties

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

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Black Diamond Airport Temperature Statistics

October Temperature

Renton Municipal Airport (15.5 miles)

  • Lowest 12 October, 2026

    39.9 °F

  • Average October

    55.9 °F

  • Highest 16 October, 2026

    75.9 °F

Climate (2021–2026)

Renton Municipal Airport (15.5 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    62.3 °F
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