Grindstone Reservoir Weather Forecast

    • 33
    • 41

    Rain/Snow

    • 30
    • 48

    Rain

    • 30
    • 42

    Chance Rain/Snow

    • 34
    • 47

    Chance Rain/Snow

    • 37
    • 49

    Chance Rain

    • 38
    • 52

    Chance Rain/Snow

Today 4 Dec Ochoco-John Day Highlands

Mostly cloudy with a 50 percent chance of rain and mountain snow. Snow level 4500 feet in the morning. Highs in the upper 30s to mid 40s.

Tonight 4 Dec Ochoco-John Day Highlands

Cloudy with a 50 percent chance of rain. Lows in the 30s. Gusts up to 20 Mph overnight. Rainfall Amounts up to a half of an inch possible.

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Grindstone Reservoir Temperature Statistics

December Temperature

Burns Municipal Airport (46 miles)

  • Lowest 1 December, 2025

    12 °F

  • Average December

    29.3 °F

  • Highest 2 December, 2025

    44.1 °F

Climate (2020–Present)

Burns Municipal Airport (46 miles)

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  • Average Low 2020–2025

    32.2 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    62.2 °F
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