Shelton Wayside County Park Weather Forecast

    • 56
    • 78

    Increasing Clouds

    • 58
    • 79

    Partly Sunny

    • 56
    • 77

    Partly Sunny

    • 49
    • 69

    Mostly Sunny

    • 54
    • 76

    Mostly Sunny

    • 56
    • 80

    Chance Rain Showers

Today 18 Sep John Day Basin

Sunny. Highs in the 80s. Light wind.

Tonight 18 Sep John Day Basin

Partly cloudy. Lows in the mid to upper 50s. North wind 5 to 10 Mph in the Evening, becoming light.

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Shelton Wayside County Park Temperature Statistics

September Temperature

Prineville Airport (57.8 miles)

  • Lowest 15 September, 2025

    33.8 °F

  • Average September

    66.3 °F

  • Highest 2 September, 2025

    96.8 °F

Climate (2020–Present)

Prineville Airport (57.8 miles)

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  • Average Low 2020–2025

    34.3 °F

  • Average 2020–2025

    49.4 °F

  • Average High 2020–2025

    62.8 °F
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