Threemile Reservoir Weather Forecast

    • 31
    • 54

    Mostly Cloudy

    • 41
    • 66

    Mostly Cloudy

    • 41
    • 74

    Partly Sunny

    • 43
    • 71

    Mostly Cloudy

    • 39
    • 63

    Rain/Snow Likely

    • 37
    • 58

    Rain/Snow Likely

    • 30
    • 56

    Rain/Snow Likely

Today 26 Mar Harney County

Sunny. Much cooler with Highs 48 to 53. North Winds up to 10 Mph.

Tonight 26 Mar Harney County

Increasing Clouds. Lows 22 to 30. East Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Threemile Reservoir Temperature Statistics

March Temperature

Rome (53.4 miles)

  • Lowest 10 March, 2026

    20.6 °F

  • Average March

    49.2 °F

  • Highest 20 March, 2026

    85.6 °F

Climate (2021–Present)

Rome (53.4 miles)

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  • Average Low 2021–2026

    36.8 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    66.1 °F
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