Painted Hills Reservoir Weather Forecast

    • 38
    • 57

    Chance Rain Showers

    • 41
    • 62

    Increasing Clouds

    • 44
    • 70

    Mostly Sunny

    • 47
    • 73

    Mostly Sunny

    • 49
    • 76

    Mostly Sunny

    • 50
    • 80

    Mostly Sunny

    • 51
    • 80

    Mostly Sunny

Today 16 May John Day Basin

Mostly cloudy with a 20 percent chance of Showers and Thunderstorms. Highs in the 50s. Windy. West wind 15 to 25 Mph.

Tonight 16 May John Day Basin

Cloudy with a 50 percent chance of rain or snow Showers. Lows in the 30s. Breezy. West wind 10 to 20 Mph with Gusts to around 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Painted Hills Reservoir Temperature Statistics

May Temperature

Prineville Airport (40.4 miles)

  • Lowest 14 May, 2026

    26.6 °F

  • Average May

    59.8 °F

  • Highest 12 May, 2026

    87.8 °F

Climate (2021–Present)

Prineville Airport (40.4 miles)

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  • Average Low 2021–2026

    34.7 °F

  • Average 2021–2026

    49.8 °F

  • Average High 2021–2026

    63.2 °F
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