Grindstone Reservoir Weather Forecast

    • 29
    • 52

    Decreasing Clouds

    • 32
    • 53

    Chance Rain/Snow

    • 30
    • 52

    Chance Rain/Snow

    • 27
    • 53

    Slight Chance Rain/Snow

    • 32
    • 56

    Mostly Cloudy

    • 28
    • 48

    Snow Likely

Today 27 Feb Ochoco-John Day Highlands

Mostly sunny. Highs in the lower to mid 50s.

Tonight 27 Feb Ochoco-John Day Highlands

Partly cloudy. Lows in the upper 20s to lower 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grindstone Reservoir Temperature Statistics

February Temperature

Burns Municipal Airport (46 miles)

  • Lowest 17 February, 2026

    -3.4 °F

  • Average February

    33.8 °F

  • Highest 4 February, 2026

    60.7 °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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