Crooked River National Grassland Weather Forecast

    • 54
    • 82

    Chance Rain Showers

    • 44
    • 67

    Rain Showers Likely

    • 46
    • 72

    Sunny

    • 51
    • 80

    Mostly Sunny

    • 46
    • 77

    Mostly Sunny

    • 46
    • 72

    Partly Sunny

Today 13 Sep Central Oregon

Sunny. Highs in the lower to mid 80s. South wind 5 to 10 Mph in the Morning, becoming light.

Tonight 13 Sep Central Oregon

Mostly cloudy. A chance of Showers and Thunderstorms overnight. Lows in the lower to mid 50s. Northwest wind 5 to 10 Mph. Chance of precipitation 50 percent. Rainfall Amounts less than a quarter of an Inch, except higher Amounts possible in Thunderstorms.

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  • Temperature Real-Time

Crooked River National Grassland Temperature Statistics

September Temperature

Prineville Airport (15.5 miles)

  • Lowest 7 September, 2025

    44.6 °F

  • Average September

    68.3 °F

  • Highest 2 September, 2025

    96.8 °F

Climate (2020–Present)

Prineville Airport (15.5 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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