Upper Holter Lake Weather Forecast

    • 39
    • 66

    Mostly Sunny

    • 45
    • 77

    Becoming Sunny

    • 47
    • 82

    Mostly Sunny

    • 39
    • 71

    Rain Showers

    • 34
    • 53

    Chance Rain Showers

    • 40
    • 67

    Mostly Sunny

    • 46
    • 77

    Mostly Sunny

Today 1 May Gates of the Mountains

Partly cloudy in the morning then becoming sunny. Highs 60 to 65. North Winds up to 10 Mph.

Tonight 1 May Gates of the Mountains

Mostly clear. Lows around 40. East Winds up to 5 Mph shifting to the south after midnight.

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Upper Holter Lake Temperature Statistics

May Temperature

Helena Regional Airport (14.9 miles)

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Climate (2020–Present)

Helena Regional Airport (14.9 miles)

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  • Average Low 2020–2025

    36.1 °F

  • Average 2020–2025

    47.4 °F

  • Average High 2020–2025

    59.2 °F
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