Threemile Reservoir Weather Forecast

    • 43
    • 69

    Decreasing Clouds

    • 43
    • 72

    Partly Sunny

    • 41
    • 69

    Partly Sunny

    • 40
    • 64

    Chance Rain Showers

    • 40
    • 64

    Chance Rain Showers

    • 40
    • 66

    Chance Rain Showers

Today 5 Apr Harney County

Mostly sunny. Highs 64 to 70. East Winds 10 to 15 Mph.

Tonight 5 Apr Harney County

Decreasing Clouds. Lows 32 to 42. Northeast Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Threemile Reservoir Temperature Statistics

April Temperature

Rome (53.4 miles)

  • Lowest 3 April, 2026

    21 °F

  • Average April

    40.6 °F

  • Highest 3 April, 2026

    55.9 °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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