Threemile Reservoir Weather Forecast

    • 39
    • 83

    Rain Showers

    • 39
    • 55

    Rain Showers

    • 41
    • 63

    Rain Showers

    • 43
    • 68

    Rain Showers Likely

    • 42
    • 63

    Rain Showers Likely

    • 43
    • 69

    Slight Chance Thunderstorms

    • 44
    • 72

    Mostly Sunny

Today 25 May Harney County

Mostly sunny. Patchy blowing dust. Highs 75 to 84. Breezy. Southwest Winds 10 to 20 Mph with Gusts to 40 Mph.

Tonight 25 May Harney County

Patchy blowing dust this evening. A chance of Thunderstorms this Evening, then rain Showers after midnight. Thunderstorms may produce gusty Winds this evening. Chance of rain 90 percent. Colder with Lows 34 to 42. Windy. West Winds 15 to 25 Mph with Gusts to 40 Mph.

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  • Temperature Real-Time

Threemile Reservoir Temperature Statistics

May Temperature

Rome (53.4 miles)

  • Lowest 1 May, 2026

    30.7 °F

  • Average May

    58.4 °F

  • Highest 12 May, 2026

    95.6 °F

Climate (2021–Present)

Rome (53.4 miles)

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  • Average Low 2021–2026

    36.7 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    66.2 °F
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