Alderwood State Park Weather Forecast

    • 53
    • 83

    Mostly Sunny

    • 52
    • 79

    Partly Sunny

    • 52
    • 81

    Partly Sunny

    • 55
    • 78

    Partly Sunny

    • 53
    • 78

    Partly Sunny

    • 53
    • 78

    Mostly Sunny

Today 17 Sep Lane County Lowlands

Sunny. Highs in the lower 80s. Winds light.

Tonight 17 Sep Lane County Lowlands

Mostly clear. Lows in the lower 50s. Northwest wind 5 to 10 Mph.

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Alderwood State Park Temperature Statistics

September Temperature

Eugene, Mahlon Sweet Field (9.9 miles)

  • Lowest 13 September, 2025

    48 °F

  • Average September

    66.4 °F

  • Highest 4 September, 2025

    91 °F

Climate (2020–Present)

Eugene, Mahlon Sweet Field (9.9 miles)

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  • Average Low 2020–2025

    44.1 °F

  • Average 2020–2025

    54.4 °F

  • Average High 2020–2025

    65.9 °F
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