Grand Ronde Weather Forecast

    • 49
    • 77

    Increasing Clouds

    • 49
    • 74

    Mostly Cloudy

    • 45
    • 71

    Partly Sunny

    • 46
    • 69

    Mostly Cloudy

    • 46
    • 69

    Mostly Cloudy

    • 44
    • 66

    Slight Chance Rain

Today 20 Sep Central Oregon Coast Range Lowlands

Partly sunny in the Morning, then clearing. Patchy fog in the morning. Highs in the upper 70s. Light and variable Winds, becoming light in the afternoon.

Tonight 20 Sep Central Oregon Coast Range Lowlands

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. Winds light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Ronde Temperature Statistics

September Temperature

McMinnville, McMinnville Municipal Airport (24.9 miles)

  • Lowest 11 September, 2026

    45.6 °F

  • Average September

    62.1 °F

  • Highest 9 September, 2026

    89.7 °F

Climate (2021–2026)

McMinnville, McMinnville Municipal Airport (24.9 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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