Detroit Lake State Park Weather Forecast

    • 56
    • 78

    Decreasing Clouds

    • 56
    • 71

    Rain Showers

    • 54
    • 67

    Rain Showers

    • 54
    • 72

    Chance Rain Showers

    • 56
    • 75

    Chance Rain Showers

    • 55
    • 78

    Chance Rain Showers

Today 7 Sep Cascade Foothills of Marion and Linn Counties

Partly sunny. A slight chance of rain this afternoon. Highs in the mid 70s. Winds light. Chance of rain 20 percent.

Tonight 7 Sep Cascade Foothills of Marion and Linn Counties

Partly cloudy with a slight chance of Showers in the Evening, then mostly cloudy with Showers likely after midnight. Lows in the mid 50s. Winds light. Chance of rain 70 percent. Rainfall Amounts less than a tenth of an inch.

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Detroit Lake State Park Temperature Statistics

September Temperature

Salem - McNary Field (42.3 miles)

  • Lowest 2 September, 2025

    57.9 °F

  • Average September

    71.6 °F

  • Highest 4 September, 2025

    91 °F

Climate (2020–Present)

Salem - McNary Field (42.3 miles)

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  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    65.6 °F
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