Black Diamond Weather Forecast

    • 48
    • 57

    Rain

    • 46
    • 53

    Rain

    • 45
    • 54

    Chance Rain

    • 46
    • 57

    Rain Likely

    • 47
    • 54

    Rain

    • 43
    • 56

    Rain

Today 10 Dec Foothills and Valleys of Pierce and Southern King Counties

Rain. Patchy fog. Rainfall Amounts one to three Inches possible. Highs in the mid 50s to lower 60s. Southwest wind 10 to 20 Mph with Gusts to 35 Mph.

Tonight 10 Dec Foothills and Valleys of Pierce and Southern King Counties

Rain. Patchy fog. Rainfall Amounts one to three Inches possible. Lows in the upper 40s. Southwest wind 10 to 20 Mph with Gusts to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Black Diamond Temperature Statistics

December Temperature

Renton Municipal Airport (16.2 miles)

  • Lowest 1 December, 2025

    33.1 °F

  • Average December

    47.7 °F

  • Highest 8 December, 2025

    57.9 °F

Climate (2020–Present)

Renton Municipal Airport (16.2 miles)

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  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    62.2 °F
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