Threemile Reservoir Weather Forecast

    • 27
    • 48

    Decreasing Clouds

    • 30
    • 50

    Slight Chance Rain/Snow

    • 31
    • 48

    Mostly Cloudy

    • 35
    • 51

    Mostly Cloudy

    • 35
    • 55

    Mostly Cloudy

    • 37
    • 57

    Mostly Cloudy

    • 33
    • 56

    Mostly Cloudy

Today 26 Jan Harney County

Mostly cloudy. Highs 40 to 46. South Winds up to 10 Mph.

Tonight 26 Jan Harney County

Partly cloudy. Lows 14 to 25. Light Winds.

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Threemile Reservoir Temperature Statistics

January Temperature

Rome (53.4 miles)

  • Lowest 19 January, 2026

    7.6 °F

  • Average January

    31.4 °F

  • Highest 2 January, 2026

    54.6 °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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