Coopers Lake Weather Forecast

    • 32
    • 58

    Becoming Sunny

    • 39
    • 65

    Mostly Sunny

    • 39
    • 66

    Mostly Cloudy

    • 39
    • 67

    Slight Chance Rain

    • 40
    • 67

    Partly Sunny

    • 37
    • 62

    Slight Chance Rain

Today 30 Apr Butte/Blackfoot Region

Mostly sunny. Highs in the 50s.

Tonight 30 Apr Butte/Blackfoot Region

Mostly clear. Lows in the upper 20s to mid 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Coopers Lake Temperature Statistics

April Temperature

Helena Regional Airport (54.7 miles)

  • Lowest 19 April, 2026

    27 °F

  • Average April

    46.5 °F

  • Highest 7 April, 2026

    69.7 °F

Climate (2021–Present)

Helena Regional Airport (54.7 miles)

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  • Average Low 2021–2026

    36.6 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    60.1 °F
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