Grindstone Reservoir Weather Forecast

    • 42
    • 73

    Mostly Cloudy

    • 26
    • 54

    Chance Rain

    • 34
    • 57

    Mostly Cloudy

    • 38
    • 61

    Mostly Cloudy

    • 37
    • 64

    Mostly Cloudy

    • 24
    • 54

    Slight Chance Rain/Snow

    • 26
    • 51

    Mostly Sunny

Today 20 Mar Ochoco-John Day Highlands

Partly sunny. Highs in the lower to mid 70s. Gusts up to 25 Mph in the afternoon.

Tonight 20 Mar Ochoco-John Day Highlands

Mostly cloudy. Lows in the upper 30s to lower 40s. Gusts up to 25 Mph in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grindstone Reservoir Temperature Statistics

March Temperature

Burns Municipal Airport (46 miles)

  • Lowest 11 March, 2026

    18.6 °F

  • Average March

    41.7 °F

  • Highest 18 March, 2026

    79 °F

Climate (2021–Present)

Burns Municipal Airport (46 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    32.3 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    62.6 °F
Get WillyWeather+ to remove ads