Miller Lake Weather Forecast

    • 57
    • 85

    Areas Smoke

    • 57
    • 86

    Areas Smoke

    • 58
    • 85

    Mostly Sunny

    • 58
    • 87

    Mostly Sunny

    • 59
    • 87

    Sunny

    • 59
    • 93

    Mostly Sunny

    • 51
    • 81

    Sunny

Today 27 Jul Butte/Blackfoot Region

Mostly sunny. Areas of smoke in the Morning, then patchy smoke in the afternoon. Highs in the 80s.

Tonight 27 Jul Butte/Blackfoot Region

Mostly clear. Areas of smoke through the night. A 20 percent chance of rain Showers early in the evening. Lows in the upper 40s to mid 50s.

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Miller Lake Temperature Statistics

July Temperature

Helena Regional Airport (46 miles)

  • Lowest 2 July, 2026

    47.6 °F

  • Average July

    73.4 °F

  • Highest 11 July, 2026

    101.6 °F

Climate (2021–2026)

Helena Regional Airport (46 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    59.9 °F
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