Threemile Reservoir Weather Forecast

    • 28
    • 40

    Gradual Clearing

    • 33
    • 49

    Partly Sunny

    • 40
    • 52

    Rain

    • 31
    • 52

    Rain Likely

    • 31
    • 50

    Slight Chance Rain/Snow

    • 34
    • 56

    Mostly Cloudy

Today 21 Feb Harney County

Mostly cloudy. Highs 38 to 43. Southeast Winds 10 to 15 Mph with Gusts to 25 Mph.

Tonight 21 Feb Harney County

Decreasing Clouds. Lows 22 to 28. East Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Threemile Reservoir Temperature Statistics

February Temperature

Rome (53.4 miles)

  • Lowest 2 February, 2026

    18.6 °F
  • Average February

    38.2 °F
  • Highest 7 February, 2026

    63.6 °F

Climate (2021–Present)

Rome (53.4 miles)

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  • Average Low 2021–2026

    36.7 °F
  • Average 2021–2026

    51.5 °F
  • Average High 2021–2026

    65.9 °F
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