Shelton Wayside County Park Weather Forecast

    • 34
    • 49

    Chance Rain/Snow

    • 37
    • 55

    Partly Sunny

    • 39
    • 62

    Partly Sunny

    • 42
    • 64

    Mostly Sunny

    • 45
    • 67

    Mostly Sunny

    • 46
    • 71

    Mostly Sunny

    • 47
    • 71

    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

Shelton Wayside County Park Temperature Statistics

May Temperature

Prineville Airport (57.8 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 (57.8 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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