Harkness Lakes Weather Forecast

    • 25
    • 37

    Mostly Sunny

    • 29
    • 48

    Mostly Sunny

    • 32
    • 52

    Partly Sunny

    • 30
    • 50

    Partly Sunny

    • 32
    • 47

    Snow Likely

    • 24
    • 40

    Snow

Today 20 Oct Ruby Mountains and Southern Beaverhead Mountains

Colder. Partly cloudy in the morning then clearing. Highs 35 to 40. West Winds 10 to 20 Mph. Gusts up to 35 Mph in the morning.

Tonight 20 Oct Ruby Mountains and Southern Beaverhead Mountains

Mostly clear. Lows in the mid 20s. Southwest Winds 5 to 15 Mph.

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Harkness Lakes Temperature Statistics

October Temperature

Dillon, Dillon Airport (57.2 miles)

  • Lowest 6 October, 2025

    23 °F

  • Average October

    45.4 °F

  • Highest 10 October, 2025

    72 °F

Climate (2020–Present)

Dillon, Dillon Airport (57.2 miles)

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  • Average Low 2020–2025

    30.7 °F

  • Average 2020–2025

    42.9 °F

  • Average High 2020–2025

    55.8 °F
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