Grindstone Reservoir Weather Forecast

    • 46
    • 86

    Areas Smoke

    • 44
    • 82

    Areas Smoke

    • 45
    • 79

    Partly Sunny

    • 45
    • 80

    Chance Rain Showers

    • 47
    • 83

    Partly Sunny

    • 48
    • 84

    Mostly Cloudy

    • 47
    • 81

    Chance Rain Showers

Today 11 Aug Ochoco-John Day Highlands

Sunny. Patchy smoke. Highs in the 80s.

Tonight 11 Aug Ochoco-John Day Highlands

Mostly clear. Patchy smoke in the Evening, then Areas of smoke overnight. Lows in the lower 40s to lower 50s. Northwest wind 5 to 15 Mph in the Evening, becoming light.

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Grindstone Reservoir Temperature Statistics

August Temperature

Burns Municipal Airport (46 miles)

  • Lowest 4 August, 2026

    38.6 °F
  • Average August

    70 °F
  • Highest 5 August, 2026

    98.7 °F

Climate (2021–2026)

Burns Municipal Airport (46 miles)

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  • Average Low 2021–2026

    32 °F
  • Average 2021–2026

    47.6 °F
  • Average High 2021–2026

    62.5 °F
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