Leslie Lake Weather Forecast

    • 55
    • 72

    Mostly Sunny

    • 54
    • 76

    Mostly Sunny

    • 53
    • 75

    Chance Thunderstorms

    • 52
    • 70

    Rain Showers Likely

    • 49
    • 65

    Chance Thunderstorms

    • 49
    • 64

    Chance Thunderstorms

Today 30 Jun Elkhorn and Boulder Mountains

Warmer, sunny. Highs 75 to 85. Southeast Winds up to 10 Mph.

Tonight 30 Jun Elkhorn and Boulder Mountains

Mostly clear. Lows 50 to 60. East Winds up to 10 Mph shifting to the west after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Leslie Lake Temperature Statistics

June Temperature

Helena Regional Airport (22.4 miles)

  • Lowest 23 June, 2025

    36.6 °F

  • Average June

    63.7 °F

  • Highest 10 June, 2025

    92.6 °F

Climate (2020–Present)

Helena Regional Airport (22.4 miles)

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  • Average Low 2020–2025

    36 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    59.3 °F
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