Grindstone Reservoir Weather Forecast

    • 29
    • 50

    Rain/Snow

    • 30
    • 52

    Mostly Cloudy

    • 28
    • 56

    Partly Sunny

    • 26
    • 49

    Chance Snow Showers

    • 28
    • 54

    Partly Sunny

    • 36
    • 63

    Chance Rain Showers

Today 26 Apr Ochoco-John Day Highlands

Mostly cloudy. A chance of rain and high mountain snow Showers in the Morning, then a chance of rain Showers, high mountain snow Showers and Thunderstorms in the afternoon. Highs in the upper 40s to mid 50s. West wind 5 to 15 Mph in the afternoon. Chance of precipitation 50 percent.

Tonight 26 Apr Ochoco-John Day Highlands

Mostly cloudy. A chance of Showers and Thunderstorms in the evening. Lows in the upper 20s to lower 30s. Northwest wind 5 to 15 Mph in the Evening, becoming light. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

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Grindstone Reservoir Temperature Statistics

April Temperature

Burns Municipal Airport (46 miles)

  • Lowest 18 April, 2024

    17.9 °F

  • Average April

    46.5 °F

  • Highest 11 April, 2024

    73.7 °F

Climate (2019–Present)

Burns Municipal Airport (46 miles)

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  • Average Low 2019–2024

    31.9 °F

  • Average 2019–2024

    47.1 °F

  • Average High 2019–2024

    61.7 °F
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