Montana City Weather Forecast

    • 47
    • 72

    Rain Showers Likely

    • 51
    • 79

    Mostly Sunny

    • 54
    • 85

    Mostly Sunny

    • 57
    • 92

    Mostly Sunny

    • 57
    • 91

    Mostly Sunny

    • 53
    • 85

    Mostly Sunny

Today 5 Jul Elkhorn and Boulder Mountains

Mostly cloudy. Chance of rain Showers and slight chance of Thunderstorms in the Morning, then rain Showers likely and chance of Thunderstorms in the afternoon. Highs 60 to 70. West Winds 5 to 15 Mph. Chance of precipitation 70 percent.

Tonight 5 Jul Elkhorn and Boulder Mountains

Mostly clear. Lows 40 to 50. West Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Montana City Temperature Statistics

July Temperature

Helena Regional Airport (5 miles)

  • Lowest 1 July, 2025

    60.1 °F

  • Average July

    75.7 °F

  • Highest 1 July, 2025

    96.1 °F

Climate (2020–Present)

Helena Regional Airport (5 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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