Old Baldy Mountain Weather Forecast

    • 14
    • 25

    Decreasing Clouds

    • 20
    • 26

    Partly Sunny

    • 14
    • 26

    Chance Snow

    • 15
    • 23

    Mostly Cloudy

    • 12
    • 27

    Snow Likely

    • 6
    • 18

    Snow Likely

    • 8
    • 16

    Snow Likely

Today 18 Jan Butte/Blackfoot Region

Partly cloudy. Highs in the upper 20s to mid 30s.

Tonight 18 Jan Butte/Blackfoot Region

Mostly clear. Lows 11 to 18.

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Old Baldy Mountain Temperature Statistics

January Temperature

Helena Regional Airport (42.3 miles)

  • Lowest 8 January, 2026

    19 °F

  • Average January

    37.4 °F

  • Highest 14 January, 2026

    57.9 °F

Climate (2021–Present)

Helena Regional Airport (42.3 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    59.6 °F
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