Grindstone Reservoir Weather Forecast

    • 36
    • 63

    Mostly Sunny

    • 38
    • 67

    Partly Sunny

    • 37
    • 68

    Partly Sunny

    • 32
    • 61

    Chance Rain/Snow

    • 27
    • 53

    Chance Rain/Snow

    • 28
    • 54

    Mostly Sunny

Today 4 Apr Ochoco-John Day Highlands

Sunny. Highs in the 60s.

Tonight 4 Apr Ochoco-John Day Highlands

Mostly clear. Lows in the 30s.

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Grindstone Reservoir Temperature Statistics

April Temperature

Burns Municipal Airport (46 miles)

  • Lowest 1 April, 2026

    33.1 °F

  • Average April

    41.6 °F

  • Highest 1 April, 2026

    48.9 °F

Climate (2021–Present)

Burns Municipal Airport (46 miles)

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  • Average Low 2021–2026

    32.3 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    62.6 °F
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