Helena Regional Airport Weather Forecast

    • 51
    • 74

    Rain Showers Likely

    • 53
    • 82

    Mostly Sunny

    • 57
    • 87

    Mostly Sunny

    • 59
    • 93

    Mostly Sunny

    • 58
    • 93

    Mostly Sunny

    • 54
    • 83

    Mostly Sunny

Today 5 Jul Helena Valley

Areas of fog in the morning. Partly cloudy with slight chance of rain Showers in the Morning, then mostly cloudy with chance of Thunderstorms in the afternoon. Highs in the mid 70s. West Winds up to 5 Mph increasing to 5 to 15 Mph in the afternoon. Chance of precipitation 50 percent.

Tonight 5 Jul Helena Valley

Mostly clear. A 20 percent chance of Thunderstorms in the evening. Lows 45 to 50. Northwest Winds 5 to 10 Mph shifting to the southwest after midnight.

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Helena Regional Airport Temperature Statistics

July Temperature

Helena Regional Airport (0 miles)

  • Lowest 1 July, 2025

    60.1 °F

  • Average July

    75.6 °F

  • Highest 1 July, 2025

    96.1 °F

Climate (2020–Present)

Helena Regional Airport (0 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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