Grindstone Reservoir Weather Forecast

    • 33
    • 58

    Increasing Clouds

    • 35
    • 61

    Mostly Sunny

    • 38
    • 66

    Mostly Sunny

    • 42
    • 71

    Mostly Cloudy

    • 41
    • 70

    Chance Rain

    • 44
    • 72

    Slight Chance Rain

Today 28 Apr Ochoco-John Day Highlands

Sunny in the Morning, becoming mostly cloudy. Highs in the mid 50s to lower 60s. Gusts up to 20 Mph in the afternoon.

Tonight 28 Apr Ochoco-John Day Highlands

Mostly cloudy. Lows in the lower to mid 30s. Gusts up to 20 Mph in the evening.

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  • Temperature Real-Time

Grindstone Reservoir Temperature Statistics

April Temperature

Burns Municipal Airport (46 miles)

  • Lowest 17 April, 2026

    15.7 °F

  • Average April

    43.9 °F

  • Highest 6 April, 2026

    73.7 °F

Climate (2021–Present)

Burns Municipal Airport (46 miles)

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  • Average Low 2021–2026

    32.4 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    62.6 °F
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