Grindstone Reservoir Weather Forecast

    • 44
    • 85

    Sunny

    • 43
    • 80

    Mostly Sunny

    • 49
    • 84

    Partly Sunny

    • 50
    • 85

    Mostly Cloudy

    • 42
    • 78

    Mostly Sunny

    • 43
    • 78

    Mostly Sunny

    • 48
    • 83

    Sunny

Today 16 Jun Ochoco-John Day Highlands

Sunny. Highs in the 80s. Northwest wind 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 16 Jun Ochoco-John Day Highlands

Clear. Lows in the 40s. Northwest wind 5 to 15 Mph in the Evening, becoming light. Gusts up to 30 Mph.

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Grindstone Reservoir Temperature Statistics

June Temperature

Burns Municipal Airport (46 miles)

  • Lowest 11 June, 2026

    26.7 °F

  • Average June

    56.2 °F

  • Highest 12 June, 2026

    84.7 °F

Climate (2021–Present)

Burns Municipal Airport (46 miles)

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  • Average Low 2021–2026

    32.2 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    62.7 °F
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