Cascadia State Park Weather Forecast

    • 50
    • 71

    Becoming Sunny

    • 55
    • 79

    Sunny

    • 59
    • 85

    Mostly Sunny

    • 55
    • 81

    Mostly Sunny

    • 51
    • 71

    Slight Chance Rain

    • 52
    • 71

    Partly Sunny

Today 7 Sep Cascade Foothills of Marion and Linn Counties

Mostly sunny. Highs in the upper 60s. Winds light.

Tonight 7 Sep Cascade Foothills of Marion and Linn Counties

Mostly cloudy. Lows in the upper 40s. Winds light.

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Cascadia State Park Temperature Statistics

September Temperature

Corvallis, Corvallis Municipal Airport (40.4 miles)

  • Lowest 3 September, 2026

    54 °F

  • Average September

    58.1 °F

  • Highest 1 September, 2026

    66.9 °F

Climate (2021–2026)

Corvallis, Corvallis Municipal Airport (40.4 miles)

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  • Average Low 2021–2026

    43.4 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    63.9 °F
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