Coopers Lake Weather Forecast

    • 47
    • 73

    Patchy Smoke

    • 50
    • 79

    Sunny

    • 54
    • 85

    Sunny

    • 55
    • 87

    Sunny

    • 54
    • 85

    Mostly Sunny

    • 53
    • 83

    Mostly Sunny

Today 4 Aug Butte/Blackfoot Region

Mostly sunny. Patchy smoke. Highs in the 70s.

Tonight 4 Aug Butte/Blackfoot Region

Mostly clear. Patchy smoke. Lows in the 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Coopers Lake Temperature Statistics

August Temperature

Helena Regional Airport (54.7 miles)

  • Lowest 1 August, 2026

    60.7 °F

  • Average August

    78.2 °F

  • Highest 1 August, 2026

    103.6 °F

Climate (2021–2026)

Helena Regional Airport (54.7 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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