Cascadia State Park Weather Forecast

    • 52
    • 73

    Increasing Clouds

    • 49
    • 69

    Mostly Cloudy

    • 50
    • 71

    Mostly Cloudy

    • 50
    • 71

    Rain Likely

    • 45
    • 61

    Chance Rain Showers

    • 46
    • 65

    Partly Sunny

Today 21 Sep Cascade Foothills of Marion and Linn Counties

Patchy fog in the morning. Partly sunny. Highs in the lower 70s. Winds light.

Tonight 21 Sep Cascade Foothills of Marion and Linn Counties

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. Winds light in the Evening, becoming light and variable.

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  • Temperature Real-Time

Cascadia State Park Temperature Statistics

September Temperature

Corvallis, Corvallis Municipal Airport (40.4 miles)

  • Lowest 11 September, 2026

    42.1 °F

  • Average September

    59.7 °F

  • Highest 9 September, 2026

    88 °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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