Grindstone Reservoir Weather Forecast

    • 32
    • 44

    Chance Rain

    • 33
    • 56

    Partly Sunny

    • 32
    • 58

    Partly Sunny

    • 22
    • 47

    Chance Snow

    • 29
    • 43

    Chance Snow

    • 32
    • 51

    Chance Rain/Snow

Today 6 Mar Ochoco-John Day Highlands

Mostly cloudy. A chance of mountain snow in the Morning, then a chance of rain and mountain snow in the afternoon. Highs in the 40s. Gusts up to 20 Mph in the afternoon. Chance of precipitation 20 percent.

Tonight 6 Mar Ochoco-John Day Highlands

Mostly cloudy. A chance of rain in the Evening, then a chance of rain and high mountain snow overnight. Lows in the lower to mid 30s. Gusts up to 20 Mph in the evening. Chance of precipitation 20 percent.

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Grindstone Reservoir Temperature Statistics

March Temperature

Burns Municipal Airport (46 miles)

  • Lowest 3 March, 2026

    26.1 °F

  • Average March

    38.8 °F

  • Highest 3 March, 2026

    55.9 °F

Climate (2021–Present)

Burns Municipal Airport (46 miles)

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  • Average Low 2021–2026

    32.3 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    62.5 °F
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