Crystal Lake Weather Forecast

    • 48
    • 70

    Smoke

    • 45
    • 68

    Smoke

    • 44
    • 66

    Mostly Sunny

    • 43
    • 65

    Mostly Sunny

    • 42
    • 64

    Mostly Sunny

    • 41
    • 61

    Mostly Sunny

    • 38
    • 57

    Slight Chance Thunderstorms

Today 7 Aug Gallatin and Madison County Mountains and Centennial Mountains

Sunny. Areas of smoke. Highs 76 to 86. West Winds 10 to 15 Mph with Gusts to around 30 Mph.

Tonight 7 Aug Gallatin and Madison County Mountains and Centennial Mountains

Mostly clear. Smoke. Lows 51 to 59. Northwest Winds up to 10 Mph. Gusts up to 25 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

August Temperature

Dillon, Dillon Airport (30.4 miles)

  • Lowest 4 August, 2026

    39.7 °F

  • Average August

    65.1 °F

  • Highest 1 August, 2026

    93.7 °F

Climate (2021–2026)

Dillon, Dillon Airport (30.4 miles)

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  • Average Low 2021–2026

    31.5 °F

  • Average 2021–2026

    43.9 °F

  • Average High 2021–2026

    56.9 °F
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