Helena Weather Forecast

    • 51
    • 82

    Rain Showers Likely

    • 50
    • 78

    Chance Thunderstorms

    • 49
    • 78

    Slight Chance Rain Showers

    • 51
    • 83

    Mostly Sunny

    • 52
    • 86

    Slight Chance Thunderstorms

    • 46
    • 79

    Chance Rain Showers

Today 15 Jun Helena Valley

Sunny in the Morning, then mostly cloudy with a 50 percent chance of Thunderstorms in the afternoon. Highs 80 to 85. North Winds up to 10 Mph.

Tonight 15 Jun Helena Valley

Mostly cloudy with a 50 percent chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows around 50. North Winds up to 10 Mph shifting to the west after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Helena Temperature Statistics

June Temperature

Helena Regional Airport (1.9 miles)

  • Lowest 3 June, 2025

    37.7 °F

  • Average June

    64.4 °F

  • Highest 10 June, 2025

    92.6 °F

Climate (2020–Present)

Helena Regional Airport (1.9 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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