Mount Ascension Park Weather Forecast

    • 31
    • 39

    Chance Rain/Snow

    • 36
    • 44

    Chance Rain/Snow

    • 37
    • 48

    Chance Rain

    • 35
    • 50

    Chance Rain/Snow

    • 40
    • 53

    Chance Rain

    • 36
    • 60

    Rain/Snow Likely

Today 14 Oct Upper Blackfoot and MacDonald Pass

Not as cold. Mostly cloudy. Patchy fog in the morning. Chance of snow in the Morning, then slight chance of rain and snow in the afternoon. Highs 35 to 40. Northeast Winds up to 10 Mph. Chance of precipitation 40 percent.

Tonight 14 Oct Upper Blackfoot and MacDonald Pass

Mostly cloudy with a 20 percent chance of rain and snow. Patchy fog after midnight. Lows 25 to 30. Northeast Winds up to 10 Mph.

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Mount Ascension Park Temperature Statistics

October Temperature

Helena Regional Airport (3.1 miles)

  • Lowest 6 October, 2025

    24.1 °F

  • Average October

    51.3 °F

  • Highest 10 October, 2025

    75.9 °F

Climate (2020–Present)

Helena Regional Airport (3.1 miles)

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  • Average Low 2020–2025

    36.1 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    59.4 °F
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