Threemile Reservoir Weather Forecast

    • 50
    • 84

    Mostly Sunny

    • 51
    • 86

    Becoming Sunny

    • 50
    • 85

    Mostly Sunny

    • 42
    • 84

    Mostly Sunny

    • 31
    • 58

    Chance Rain Showers

    • 28
    • 53

    Partly Sunny

    • 30
    • 55

    Partly Sunny

Today 6 Oct Harney County

Areas of fog in the morning. Sunny. Highs 56 to 62.

Tonight 6 Oct Harney County

Mostly clear. Lows 36 to 47. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Threemile Reservoir Temperature Statistics

October Temperature

Rome (53.4 miles)

  • Lowest 1 October, 2026

    38.6 °F

  • Average October

    64.2 °F

  • Highest 4 October, 2026

    89.1 °F

Climate (2021–2026)

Rome (53.4 miles)

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

  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    66.1 °F
Get WillyWeather+ to remove ads