Dayville Weather Forecast

    • 25
    • 63

    Chance Rain

    • 27
    • 56

    Mostly Sunny

    • 34
    • 72

    Partly Sunny

    • 39
    • 75

    Partly Sunny

    • 42
    • 73

    Mostly Cloudy

    • 34
    • 62

    Chance Rain

Today 25 Mar John Day Basin

Mostly cloudy with a chance of rain in the Morning, then mostly sunny with a chance of rain in the afternoon. Highs in the 50s. Light Wind, becoming west 5 to 15 Mph with Gusts to around 30 Mph in the afternoon. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 25 Mar John Day Basin

Partly cloudy. Lows in the mid to upper 20s. Northwest wind 5 to 15 Mph. Gusts up to 30 Mph decreasing to 20 Mph overnight.

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Dayville Temperature Statistics

March Temperature

Grant County Regional Airport (28 miles)

  • Lowest 15 March, 2026

    25.7 °F

  • Average March

    45.8 °F

  • Highest 19 March, 2026

    78.8 °F

Climate (2021–Present)

Grant County Regional Airport (28 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    62.4 °F
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