Mount Ascension Park Weather Forecast

    • 60
    • 83

    Mostly Sunny

    • 60
    • 88

    Mostly Sunny

    • 59
    • 85

    Chance Thunderstorms

    • 58
    • 81

    Chance Thunderstorms

    • 54
    • 76

    Chance Thunderstorms

    • 55
    • 76

    Chance Rain Showers

Today 30 Jun Upper Blackfoot and MacDonald Pass

Sunny. Highs 80 to 85. Southeast Winds up to 10 Mph.

Tonight 30 Jun Upper Blackfoot and MacDonald Pass

Mostly clear. Lows 50 to 60. North Winds up to 10 Mph shifting to the west after midnight.

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Mount Ascension Park Temperature Statistics

June Temperature

Helena Regional Airport (3.1 miles)

  • Lowest 23 June, 2025

    36.6 °F

  • Average June

    63.7 °F

  • Highest 10 June, 2025

    92.6 °F

Climate (2020–Present)

Helena Regional Airport (3.1 miles)

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  • Average Low 2020–2025

    36 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    59.3 °F
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