John Day Fossil Beds National Monument Weather Forecast

    • 47
    • 72

    Rain Showers

    • 43
    • 63

    Rain Showers Likely

    • 43
    • 66

    Slight Chance Rain Showers

    • 45
    • 71

    Partly Sunny

Today 26 Jun John Day Basin

Rain Showers and a chance of Thunderstorms. Highs in the upper 60s to lower 70s. West wind 5 to 10 Mph with Gusts to around 25 Mph. Chance of precipitation near 100 percent. Rainfall Amounts less than a quarter of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 26 Jun John Day Basin

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of rain Showers overnight. Lows in the mid to upper 40s. Northwest wind 5 to 15 Mph with Gusts to around 30 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 Forecast NOAA

  • Temperature Real-Time

John Day Fossil Beds National Monument Temperature Statistics

June Temperature

Grant County Regional Airport (34.8 miles)

  • Lowest 1 June, 2026

    37.6 °F

  • Average June

    63.9 °F

  • Highest 19 June, 2026

    90.9 °F

Climate (2021–2026)

Grant County Regional Airport (34.8 miles)

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  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    50.4 °F

  • Average High 2021–2026

    62.2 °F
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