Threemile Reservoir Weather Forecast

    • 35
    • 50

    Increasing Clouds

    • 39
    • 54

    Rain

    • 36
    • 53

    Rain

    • 31
    • 51

    Slight Chance Rain/Snow

    • 36
    • 57

    Mostly Cloudy

    • 35
    • 60

    Partly Sunny

    • 35
    • 58

    Partly Sunny

Today 22 Feb Harney County

Sunny. Highs 47 to 52. Breezy. South Winds 10 to 20 Mph with Gusts to 35 Mph.

Tonight 22 Feb Harney County

Mostly cloudy. Lows 28 to 35. South Winds 10 to 15 Mph. Gusts to 30 Mph this evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Threemile Reservoir Temperature Statistics

February Temperature

Rome (53.4 miles)

  • Lowest 19 February, 2026

    16 °F

  • Average February

    37.2 °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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