Park Lake Weather Forecast

    • 49
    • 74

    Mostly Cloudy

    • 49
    • 69

    Slight Chance Thunderstorms

    • 46
    • 66

    Chance Thunderstorms

    • 46
    • 70

    Chance Rain Showers

    • 49
    • 75

    Mostly Sunny

    • 51
    • 79

    Mostly Sunny

Today 19 Jul Elkhorn and Boulder Mountains

Mostly cloudy. Haze through the day. Areas of smoke in the afternoon. A 20 percent chance of rain Showers in the afternoon. Highs 70 to 80. West Winds 5 to 15 Mph.

Tonight 19 Jul Elkhorn and Boulder Mountains

Partly cloudy in the evening then becoming mostly cloudy. Lows 50 to 55. Northwest Winds 10 to 15 Mph shifting to the west after midnight.

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Park Lake Temperature Statistics

July Temperature

Helena Regional Airport (13.7 miles)

  • Lowest 5 July, 2025

    49.6 °F

  • Average July

    71.9 °F

  • Highest 8 July, 2025

    97.6 °F

Climate (2020–Present)

Helena Regional Airport (13.7 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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