Union Hill - Novelty Hill Weather Forecast

    • 49
    • 72

    Chance Rain

    • 48
    • 60

    Rain Likely

    • 46
    • 54

    Rain Likely

    • 43
    • 63

    Mostly Sunny

    • 45
    • 67

    Mostly Sunny

    • 46
    • 68

    Partly Sunny

Today 20 Apr Foothills and Valleys of Central King County

Partly sunny. Highs in the 70s. Light wind.

Tonight 20 Apr Foothills and Valleys of Central King County

Mostly cloudy in the evening then becoming partly cloudy. A slight chance of rain. Lows near 50. Light wind becoming south to 10 Mph after midnight.

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Union Hill - Novelty Hill Temperature Statistics

April Temperature

Renton Municipal Airport (14.3 miles)

  • Lowest 8 April, 2026

    36 °F

  • Average April

    51 °F

  • Highest 6 April, 2026

    73.9 °F

Climate (2021–Present)

Renton Municipal Airport (14.3 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    62.3 °F
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