John Day Weather Forecast

    • 33
    • 54

    Slight Chance Rain Showers

    • 30
    • 57

    Partly Sunny

    • 30
    • 59

    Mostly Sunny

    • 35
    • 62

    Mostly Sunny

    • 34
    • 62

    Mostly Sunny

    • 43
    • 68

    Partly Sunny

    • 34
    • 59

    Chance Rain Showers

Today 13 Oct John Day Basin

Mostly cloudy. Rain Showers likely in the Morning, then a chance of rain Showers in the afternoon. Highs in the upper 40s to lower 50s. Light Wind, becoming north 5 to 15 Mph with Gusts to around 25 Mph in the afternoon. Chance of precipitation 70 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 13 Oct John Day Basin

Mostly cloudy. Patchy frost overnight. Lows in the lower 30s. North wind 5 to 15 Mph. Gusts up to 25 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

John Day Temperature Statistics

October Temperature

Grant County Regional Airport (0.6 miles)

  • Lowest 6 October, 2025

    32 °F

  • Average October

    53.9 °F

  • Highest 9 October, 2025

    76.1 °F

Climate (2020–Present)

Grant County Regional Airport (0.6 miles)

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  • Average Low 2020–2025

    39.1 °F

  • Average 2020–2025

    50.4 °F

  • Average High 2020–2025

    62.2 °F
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