Erratic Rock State Natural Site Weather Forecast

    • 46
    • 70

    Increasing Clouds

    • 50
    • 67

    Mostly Cloudy

    • 48
    • 70

    Mostly Sunny

    • 50
    • 74

    Partly Sunny

    • 48
    • 71

    Mostly Sunny

    • 50
    • 73

    Mostly Sunny

Today 28 Sep West Central Willamette Valley

Sunny. Highs around 70. Light and variable Winds, becoming light in the afternoon.

Tonight 28 Sep West Central Willamette Valley

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 40s. Winds light.

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Erratic Rock State Natural Site Temperature Statistics

September Temperature

McMinnville, McMinnville Municipal Airport (8.7 miles)

  • Lowest 19 September, 2026

    44.7 °F

  • Average September

    61.6 °F

  • Highest 9 September, 2026

    89.7 °F

Climate (2021–2026)

McMinnville, McMinnville Municipal Airport (8.7 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    54.1 °F

  • Average High 2021–2026

    64.9 °F
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