Miller Lake Weather Forecast

    • 34
    • 52

    Rain

    • 30
    • 45

    Partly Sunny

    • 27
    • 46

    Chance Rain/Snow

    • 28
    • 46

    Mostly Cloudy

    • 29
    • 45

    Chance Snow

    • 30
    • 46

    Chance Snow

Today 26 Oct Butte/Blackfoot Region

Mostly cloudy. A 20 percent chance of rain late in the afternoon. Highs in the mid 40s to lower 50s.

Tonight 26 Oct Butte/Blackfoot Region

Mostly cloudy with a 50 percent chance of rain and snow. Lows in the mid 20s to lower 30s. Southwest Winds to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Miller Lake Temperature Statistics

October Temperature

Helena Regional Airport (46 miles)

  • Lowest 24 October, 2026

    23 °F

  • Average October

    49.5 °F

  • Highest 9 October, 2026

    82.7 °F

Climate (2021–2026)

Helena Regional Airport (46 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    59.9 °F
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