Erratic Rock State Natural Site Weather Forecast

    • 50
    • 74

    Decreasing Clouds

    • 47
    • 72

    Partly Sunny

    • 50
    • 71

    Mostly Cloudy

    • 49
    • 67

    Rain Likely

    • 45
    • 62

    Chance Rain

    • 45
    • 65

    Partly Sunny

Today 21 Sep West Central Willamette Valley

Patchy fog this morning. Partly sunny. Highs in the mid 70s. Light and variable Winds, becoming light this afternoon.

Tonight 21 Sep West Central Willamette Valley

Partly cloudy. Lows in the lower 50s. Winds light in the Evening, becoming light and variable.

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Erratic Rock State Natural Site Temperature Statistics

September Temperature

McMinnville, McMinnville Municipal Airport (8.7 miles)

  • Lowest 11 September, 2026

    45.6 °F

  • Average September

    61.9 °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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