Boulder Weather Forecast

    • 11
    • 33

    Gradual Clearing

    • 22
    • 35

    Partly Sunny

    • 29
    • 42

    Mostly Cloudy

    • 35
    • 45

    Chance Rain

    • 28
    • 45

    Chance Rain/Snow

    • 24
    • 41

    Chance Snow

Today 20 Feb Elkhorn and Boulder Mountains

Mostly cloudy. Patchy blowing snow late in the morning. Highs 25 to 35. West Winds 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 20 Feb Elkhorn and Boulder Mountains

Colder. Partly cloudy. Lows 10 to 15. West Winds 5 to 15 Mph.

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Boulder Temperature Statistics

February Temperature

Helena Regional Airport (26.1 miles)

  • Lowest 11 February, 2025

    -23.1 °F

  • Average February

    5.5 °F

  • Highest 1 February, 2025

    43.6 °F

Climate (2020–Present)

Helena Regional Airport (26.1 miles)

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  • Average Low 2020–2025

    35.9 °F

  • Average 2020–2025

    47.2 °F

  • Average High 2020–2025

    59 °F
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