Gravelly Range Lake Weather Forecast

    • 53
    • 67

    Rain Showers Likely

    • 51
    • 71

    Chance Thunderstorms

    • 54
    • 76

    Mostly Sunny

    • 56
    • 82

    Sunny

    • 56
    • 84

    Mostly Sunny

    • 56
    • 84

    Partly Sunny

    • 56
    • 83

    Partly Sunny

Today 21 Jul Gates of the Mountains

Cooler, cloudy. Slight chance of rain Showers late in the Morning, then rain Showers likely and chance of Thunderstorms in the afternoon. Highs 65 to 70. Northeast Winds 5 to 15 Mph. Chance of precipitation 70 percent.

Tonight 21 Jul Gates of the Mountains

Mostly cloudy. Rain Showers likely and chance of Thunderstorms in the Evening, then chance of rain Showers after midnight. Lows in the mid 50s. North Winds 10 to 15 Mph decreasing to up to 10 Mph after midnight. Chance of precipitation 70 percent.

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Gravelly Range Lake Temperature Statistics

July Temperature

Helena Regional Airport (23.6 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 (23.6 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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