Grindstone Reservoir Weather Forecast

    • 34
    • 67

    Mostly Sunny

    • 38
    • 70

    Mostly Sunny

    • 42
    • 75

    Partly Sunny

    • 44
    • 77

    Sunny

    • 46
    • 83

    Sunny

    • 49
    • 85

    Mostly Sunny

    • 49
    • 86

    Partly Sunny

Today 30 Jun Ochoco-John Day Highlands

Sunny. Highs in the mid 60s to lower 70s.

Tonight 30 Jun Ochoco-John Day Highlands

Clear. Lows in the 30s. Northwest wind 5 to 15 Mph in the Evening, becoming light. Gusts up to 25 Mph.

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  • Temperature Real-Time

Grindstone Reservoir Temperature Statistics

June Temperature

Burns Municipal Airport (46 miles)

  • Lowest 11 June, 2026

    26.7 °F

  • Average June

    59.8 °F

  • Highest 16 June, 2026

    92.6 °F

Climate (2021–2026)

Burns Municipal Airport (46 miles)

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  • Average Low 2021–2026

    32.2 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    62.6 °F
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