Threemile Reservoir Weather Forecast

    • 49
    • 80

    Patchy Smoke

    • 48
    • 67

    Rain Showers

    • 43
    • 62

    Rain Showers

    • 40
    • 66

    Slight Chance Rain Showers

    • 44
    • 72

    Partly Sunny

    • 45
    • 74

    Slight Chance Rain Showers

Today 1 Sep Harney County

Mostly cloudy this Morning, then clearing. Patchy smoke. Highs 73 to 82. Breezy. Southwest Winds 10 to 20 Mph. Gusts to 30 Mph this afternoon.

Tonight 1 Sep Harney County

Mostly cloudy. Patchy smoke. Lows 42 to 51. Breezy. West Winds 10 to 20 Mph with Gusts to 30 Mph.

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  • Temperature Forecast NOAA

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Threemile Reservoir Temperature Statistics

September Temperature

Rome (53.4 miles)

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  • Average September

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Climate (2021–2026)

Rome (53.4 miles)

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  • Average Low 2021–2026

    36.6 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    66.2 °F
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