Edward Grenfell County Park Weather Forecast

    • 52
    • 69

    Mostly Cloudy

    • 51
    • 70

    Chance Rain Showers

    • 50
    • 69

    Mostly Sunny

    • 55
    • 76

    Mostly Sunny

    • 57
    • 85

    Sunny

    • 55
    • 80

    Partly Sunny

    • 53
    • 71

    Partly Sunny

Today 5 Sep West Central Willamette Valley

Mostly sunny. Highs in the lower 70s. Light and variable Winds.

Tonight 5 Sep West Central Willamette Valley

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

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Edward Grenfell County Park Temperature Statistics

September Temperature

McMinnville, McMinnville Municipal Airport (7.5 miles)

  • Lowest 3 September, 2026

    54 °F

  • Average September

    59.4 °F

  • Highest 1 September, 2026

    68.6 °F

Climate (2021–2026)

McMinnville, McMinnville Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    54.1 °F

  • Average High 2021–2026

    65 °F
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