Threemile Reservoir Weather Forecast

    • 34
    • 52

    Chance Rain Showers

    • 41
    • 60

    Rain Showers Likely

    • 23
    • 54

    Rain Showers

    • 24
    • 41

    Snow Showers Likely

    • 31
    • 50

    Partly Sunny

    • 38
    • 62

    Mostly Cloudy

Today 13 Apr Harney County

Patchy fog this morning. Rain and snow Showers likely this Morning, then partly cloudy with a chance of rain Showers with a slight chance of Thunderstorms this afternoon. Chance of precipitation 70 percent. Snow accumulation up to 1 inch. Highs 49 to 54. Breezy. West Winds 10 to 20 Mph.

Tonight 13 Apr Harney County

Mostly cloudy with a slight chance of rain Showers in the Evening, then partly cloudy after midnight. Areas of fog after midnight. Chance of rain 20 percent. Lows 23 to 33. Northwest Winds 10 to 15 Mph.

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  • Temperature Real-Time

Threemile Reservoir Temperature Statistics

April Temperature

Rome (53.4 miles)

  • Lowest 3 April, 2026

    19.7 °F

  • Average April

    48.9 °F

  • Highest 6 April, 2026

    76.6 °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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