Prairie City Weather Forecast

    • 46
    • 83

    Increasing Clouds

    • 41
    • 80

    Partly Sunny

    • 44
    • 79

    Partly Sunny

    • 44
    • 83

    Mostly Cloudy

    • 36
    • 67

    Partly Sunny

    • 36
    • 67

    Partly Sunny

Today 21 Sep Ochoco-John Day Highlands

Sunny in the Morning, becoming partly cloudy. Highs in the mid 70s to lower 80s.

Tonight 21 Sep Ochoco-John Day Highlands

Mostly cloudy. Lows in the 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Prairie City Temperature Statistics

September Temperature

Grant County Regional Airport (13 miles)

  • Lowest 4 September, 2026

    37.8 °F

  • Average September

    57.6 °F

  • Highest 10 September, 2026

    86.4 °F

Climate (2021–2026)

Grant County Regional Airport (13 miles)

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  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    50.3 °F

  • Average High 2021–2026

    62 °F
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