Montana City Weather Forecast

    • 48
    • 77

    Rain Showers

    • 43
    • 65

    Rain Showers

    • 41
    • 57

    Rain Showers

    • 42
    • 61

    Chance Rain Showers

    • 44
    • 70

    Chance Thunderstorms

    • 46
    • 74

    Chance Thunderstorms

Today 26 Jun Elkhorn and Boulder Mountains

Mostly cloudy. Slight chance of rain Showers in the Morning, then rain Showers likely and chance of Thunderstorms in the afternoon. Highs 60 to 70. Southwest Winds up to 10 Mph. Gusts up to 30 Mph in the afternoon. Chance of precipitation 70 percent.

Tonight 26 Jun Elkhorn and Boulder Mountains

Mostly cloudy with rain Showers and chance of Thunderstorms. Highs 63 to 73. Lows 41 to 54. West Winds up to 10 Mph with Gusts to around 30 Mph. Chance of precipitation 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Montana City Temperature Statistics

June Temperature

Helena Regional Airport (5 miles)

  • Lowest 8 June, 2026

    34.6 °F

  • Average June

    60.1 °F

  • Highest 16 June, 2026

    86.6 °F

Climate (2021–2026)

Helena Regional Airport (5 miles)

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  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    60 °F
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