Cedar Grove Natural Area Weather Forecast

    • 52
    • 66

    Increasing Clouds

    • 49
    • 62

    Rain

    • 47
    • 65

    Partly Sunny

    • 50
    • 68

    Mostly Cloudy

    • 49
    • 66

    Partly Sunny

    • 49
    • 67

    Partly Sunny

Today 28 Sep Lowlands of Pierce and Southern King Counties

Mostly sunny. Highs in the 60s. Light wind becoming southwest to 10 Mph in the afternoon.

Tonight 28 Sep Lowlands of Pierce and Southern King Counties

Mostly cloudy until early Morning, then a slight chance of rain in the morning. Lows in the 50s. Southwest wind 10 to 15 Mph becoming south 10 to 20 Mph after midnight.

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Cedar Grove Natural Area Temperature Statistics

September Temperature

Renton Municipal Airport (6.2 miles)

  • Lowest 26 September, 2026

    46 °F

  • Average September

    60.9 °F

  • Highest 9 September, 2026

    79 °F

Climate (2021–2026)

Renton Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    62.2 °F
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