Erratic Rock State Natural Site Weather Forecast

    • 46
    • 63

    Chance Rain Showers

    • 44
    • 66

    Partly Sunny

    • 42
    • 62

    Mostly Cloudy

    • 39
    • 60

    Slight Chance Rain

    • 42
    • 64

    Partly Sunny

    • 45
    • 70

    Partly Sunny

Today 13 May West Central Willamette Valley

Partly sunny. A chance of Showers, mainly in the morning. Highs in the mid 60s. Southwest wind 10 to 15 Mph. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 13 May West Central Willamette Valley

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 40s. Southwest wind 10 to 15 Mph, becoming light after midnight.

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Erratic Rock State Natural Site Temperature Statistics

May Temperature

McMinnville, McMinnville Municipal Airport (8.7 miles)

  • Lowest 9 May, 2026

    43.6 °F

  • Average May

    60.1 °F

  • Highest 3 May, 2026

    88.6 °F

Climate (2021–Present)

McMinnville, McMinnville Municipal Airport (8.7 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    65.1 °F
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