Echo Mountain Weather Forecast

    • 53
    • 73

    Slight Chance Thunderstorms

    • 49
    • 68

    Mostly Sunny

    • 46
    • 64

    Mostly Sunny

    • 49
    • 63

    Mostly Sunny

    • 52
    • 69

    Mostly Sunny

    • 52
    • 70

    Partly Sunny

Today 19 Aug Butte/Blackfoot Region

Mostly sunny. A 20 percent chance of rain in the afternoon. Highs in the mid 80s to lower 90s.

Tonight 19 Aug Butte/Blackfoot Region

Partly cloudy. A 20 percent chance of rain in the evening. Lows in the upper 40s to mid 50s.

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Echo Mountain Temperature Statistics

August Temperature

Helena Regional Airport (54.1 miles)

  • Lowest 7 August, 2025

    49.6 °F

  • Average August

    70 °F

  • Highest 12 August, 2025

    95.6 °F

Climate (2020–Present)

Helena Regional Airport (54.1 miles)

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  • Average Low 2020–2025

    36 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    59.4 °F
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