Elkhorn Weather Forecast

    • 49
    • 73

    Slight Chance Thunderstorms

    • 49
    • 70

    Mostly Sunny

    • 51
    • 79

    Mostly Sunny

    • 44
    • 71

    Rain Showers Likely

    • 38
    • 47

    Rain Showers

    • 36
    • 44

    Rain Showers

Today 29 May Elkhorn and Boulder Mountains

Sunny in the Morning, then partly cloudy with a 20 percent chance of Thunderstorms in the afternoon. Highs 70 to 80. South Winds up to 10 Mph.

Tonight 29 May Elkhorn and Boulder Mountains

Partly cloudy. A 20 percent chance of Thunderstorms in the evening. Lows 45 to 50. West Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Elkhorn Temperature Statistics

May Temperature

Helena Regional Airport (22.4 miles)

  • Lowest 6 May, 2025

    34.6 °F

  • Average May

    55.9 °F

  • Highest 10 May, 2025

    88.6 °F

Climate (2020–Present)

Helena Regional Airport (22.4 miles)

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  • Average Low 2020–2025

    36.1 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    59.3 °F
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