Helena Valley Northeast Weather Forecast

    • 55
    • 92

    Mostly Cloudy

    • 53
    • 84

    Mostly Cloudy

    • 56
    • 89

    Mostly Sunny

    • 57
    • 95

    Mostly Sunny

    • 55
    • 93

    Mostly Sunny

    • 51
    • 87

    Mostly Sunny

    • 48
    • 82

    Mostly Sunny

Today 16 Aug Helena Valley

Sunny in the Morning, then partly cloudy with a 20 percent chance of Thunderstorms in the afternoon. Areas of smoke in the morning. Haze through the day. Highs around 90. Southeast Winds up to 5 Mph shifting to the east in the afternoon.

Tonight 16 Aug Helena Valley

Haze in the evening. Mostly cloudy with a 30 percent chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the mid 50s. West Winds up to 10 Mph.

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Helena Valley Northeast Temperature Statistics

August Temperature

Helena Regional Airport (6.8 miles)

  • Lowest 7 August, 2025

    49.6 °F

  • Average August

    69.7 °F

  • Highest 12 August, 2025

    95.6 °F

Climate (2020–Present)

Helena Regional Airport (6.8 miles)

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  • Average Low 2020–2025

    36 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    59.4 °F
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