Elliston Weather Forecast

    • 47
    • 75

    Slight Chance Thunderstorms

    • 50
    • 75

    Chance Rain

    • 47
    • 75

    Chance Rain Showers

    • 48
    • 75

    Mostly Sunny

    • 51
    • 78

    Mostly Sunny

    • 52
    • 82

    Partly Sunny

Today 16 Aug Butte/Blackfoot Region

Partly cloudy. A 20 percent chance of Showers and Thunderstorms in the afternoon. Some Thunderstorms may produce gusty Winds. Highs in the 70s.

Tonight 16 Aug Butte/Blackfoot Region

Mostly cloudy with a 20 percent chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Some Thunderstorms may produce gusty Winds. Lows in the 40s.

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Elliston Temperature Statistics

August Temperature

Helena Regional Airport (21.7 miles)

  • Lowest 4 August, 2026

    45.6 °F

  • Average August

    70.4 °F

  • Highest 1 August, 2026

    103.6 °F

Climate (2021–2026)

Helena Regional Airport (21.7 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    59.9 °F
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