John Day Weather Forecast

    • 33
    • 52

    Mostly Cloudy

    • 35
    • 45

    Rain

    • 25
    • 41

    Rain

    • 27
    • 39

    Chance Snow

    • 25
    • 39

    Snow Likely

    • 19
    • 36

    Snow Likely

Today 30 Jan John Day Basin

Sunny. Highs in the upper 40s to lower 50s. Light wind.

Tonight 30 Jan John Day Basin

Mostly cloudy. A 40 percent chance of rain overnight. Lows in the mid to upper 30s. Light Wind, becoming southeast 5 to 10 Mph overnight. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

John Day Temperature Statistics

January Temperature

Grant County Regional Airport (0.6 miles)

  • Lowest 26 January, 2025

    9 °F

  • Average January

    31 °F

  • Highest 15 January, 2025

    53.1 °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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