Crystal Lake Weather Forecast

    • 38
    • 56

    Increasing Clouds

    • 35
    • 52

    Rain Showers Likely

    • 32
    • 52

    Partly Sunny

    • 30
    • 49

    Mostly Sunny

    • 37
    • 58

    Mostly Sunny

    • 39
    • 61

    Partly Sunny

Today 19 Jun Gallatin and Madison County Mountains and Centennial Mountains

Mostly sunny. Highs 65 to 75. West Winds 5 to 10 Mph with Gusts to around 25 Mph.

Tonight 19 Jun Gallatin and Madison County Mountains and Centennial Mountains

Mostly cloudy. Lows 44 to 50. Northeast Winds up to 10 Mph shifting to the south after midnight. Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

June Temperature

Dillon, Dillon Airport (30.4 miles)

  • Lowest 8 June, 2026

    35.7 °F

  • Average June

    57.5 °F

  • Highest 5 June, 2026

    83.6 °F

Climate (2021–2026)

Dillon, Dillon Airport (30.4 miles)

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  • Average Low 2021–2026

    31.6 °F

  • Average 2021–2026

    43.9 °F

  • Average High 2021–2026

    57 °F
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