Lake Boren Weather Forecast

    • 51
    • 66

    Becoming Sunny

    • 52
    • 73

    Sunny

    • 54
    • 74

    Mostly Sunny

    • 53
    • 72

    Mostly Sunny

    • 53
    • 71

    Partly Sunny

    • 54
    • 72

    Partly Sunny

    • 54
    • 70

    Mostly Cloudy

Today 15 Sep Eastside

Partly sunny with a slight chance of rain. Highs near 70.

Tonight 15 Sep Eastside

Mostly clear. Patchy fog late in the night. Lows in the upper 40s to mid 50s. Light wind.

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  • Temperature Real-Time

Lake Boren Temperature Statistics

September Temperature

Renton Municipal Airport (3.1 miles)

  • Lowest 6 September, 2026

    51.1 °F

  • Average September

    61.8 °F

  • Highest 9 September, 2026

    79 °F

Climate (2021–2026)

Renton Municipal Airport (3.1 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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