Boulder Weather Forecast

    • 34
    • 59

    Mostly Sunny

    • 33
    • 57

    Partly Sunny

    • 33
    • 55

    Partly Sunny

    • 33
    • 52

    Rain/Snow Likely

    • 22
    • 42

    Chance Snow

    • 22
    • 39

    Slight Chance Snow

Today 5 Feb Elkhorn and Boulder Mountains

Sunny. Highs 49 to 57. Southwest Winds up to 10 Mph.

Tonight 5 Feb Elkhorn and Boulder Mountains

Mostly clear. Lows in the lower 30s. Southwest Winds up to 5 Mph with Gusts to around 20 Mph.

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Boulder Temperature Statistics

February Temperature

Helena Regional Airport (26.1 miles)

  • Lowest 1 February, 2026

    28.9 °F

  • Average February

    41.8 °F

  • Highest 1 February, 2026

    48.9 °F

Climate (2021–Present)

Helena Regional Airport (26.1 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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