Grindstone Reservoir Weather Forecast

    • 52
    • 84

    Sunny

    • 58
    • 91

    Mostly Sunny

    • 55
    • 90

    Chance Rain Showers

    • 48
    • 84

    Slight Chance Thunderstorms

    • 48
    • 80

    Mostly Sunny

    • 46
    • 80

    Mostly Sunny

    • 49
    • 83

    Mostly Sunny

Today 29 Jun Ochoco-John Day Highlands

Sunny. Highs in the 80s.

Tonight 29 Jun Ochoco-John Day Highlands

Clear. Lows in the upper 40s to mid 50s.

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  • Temperature Real-Time

Grindstone Reservoir Temperature Statistics

June Temperature

Burns Municipal Airport (46 miles)

  • Lowest 2 June, 2025

    30.8 °F
  • Average June

    62.7 °F
  • Highest 9 June, 2025

    92.6 °F

Climate (2020–Present)

Burns Municipal Airport (46 miles)

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  • Average Low 2020–2025

    32 °F
  • Average 2020–2025

    47.5 °F
  • Average High 2020–2025

    62.3 °F
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