Grand Ronde Weather Forecast

    • 55
    • 75

    Rain Likely

    • 45
    • 68

    Rain Showers Likely

    • 50
    • 74

    Mostly Sunny

    • 51
    • 82

    Mostly Sunny

    • 48
    • 72

    Slight Chance Rain Showers

    • 48
    • 71

    Partly Sunny

Today 13 Sep Central Oregon Coast Range Lowlands

Areas of fog this morning. Mostly sunny. Highs in the upper 70s. Winds light.

Tonight 13 Sep Central Oregon Coast Range Lowlands

Mostly cloudy. A slight chance of Showers in the Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Lows in the upper 50s. Winds light. Chance of rain 70 percent. Rainfall Amounts a tenth to a quarter of an Inch, except higher Amounts possible in Thunderstorms.

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Grand Ronde Temperature Statistics

September Temperature

McMinnville, McMinnville Municipal Airport (24.9 miles)

  • Lowest 1 September, 2025

    52 °F

  • Average September

    67.6 °F

  • Highest 4 September, 2025

    91 °F

Climate (2020–Present)

McMinnville, McMinnville Municipal Airport (24.9 miles)

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    53.9 °F

  • Average High 2020–2025

    64.8 °F
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