Garrison Weather Forecast

    • 20
    • 36

    Increasing Clouds

    • 29
    • 42

    Mostly Cloudy

    • 33
    • 45

    Rain Likely

    • 27
    • 44

    Rain/Snow Likely

    • 21
    • 39

    Chance Rain/Snow

    • 19
    • 40

    Partly Sunny

Today 21 Feb Butte/Blackfoot Region

Partly cloudy. Highs in the 30s to lower 40s. Southwest Winds to 15 Mph in the afternoon.

Tonight 21 Feb Butte/Blackfoot Region

Mostly cloudy. Lows 19 to 26. Southwest Winds to 15 Mph.

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Garrison Temperature Statistics

February Temperature

Helena Regional Airport (39.8 miles)

  • Lowest 11 February, 2025

    -23.1 °F

  • Average February

    5.6 °F

  • Highest 1 February, 2025

    43.6 °F

Climate (2020–Present)

Helena Regional Airport (39.8 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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