Prineville Reservoir Weather Forecast

    • 35
    • 56

    Rain/Snow

    • 24
    • 49

    Rain/Snow Likely

    • 28
    • 44

    Chance Rain/Snow

    • 32
    • 51

    Rain Likely

    • 27
    • 48

    Chance Rain/Snow

    • 29
    • 46

    Chance Rain/Snow

    • 27
    • 47

    Chance Rain/Snow

Today 18 Dec Ochoco-John Day Highlands

Rain and high mountain snow. High mountain snow accumulation of 1 to 3 Inches. Highs in the mid 40s to lower 50s. Windy. South wind 5 to 15 Mph with Gusts to around 30 Mph shifting to the southwest 15 to 25 Mph with Gusts to around 45 Mph in the afternoon. Chance of precipitation near 100 percent.

Tonight 18 Dec Ochoco-John Day Highlands

A chance of rain in the Evening, then rain and high mountain snow overnight. No high mountain snow accumulation. Lows in the lower to mid 30s. Windy. Southwest wind 20 to 30 Mph with Gusts to around 55 Mph. Chance of precipitation near 100 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Prineville Reservoir Temperature Statistics

December Temperature

Prineville Airport (14.3 miles)

  • Lowest 1 December, 2025

    17.6 °F

  • Average December

    43.3 °F

  • Highest 15 December, 2025

    66.2 °F

Climate (2020–Present)

Prineville Airport (14.3 miles)

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

  • Average Low 2020–2025

    34.4 °F

  • Average 2020–2025

    49.5 °F

  • Average High 2020–2025

    62.9 °F
Get WillyWeather+ to remove ads