Sunset Peak Weather Forecast

    • 47
    • 63

    Chance Thunderstorms

    • 50
    • 66

    Mostly Sunny

    • 54
    • 71

    Partly Sunny

    • 55
    • 72

    Mostly Cloudy

    • 51
    • 66

    Chance Thunderstorms

    • 49
    • 64

    Chance Thunderstorms

Today 18 Aug Gallatin and Madison County Mountains and Centennial Mountains

Mostly sunny. A 50 percent chance of Thunderstorms in the afternoon. Highs 63 to 73. Southwest Winds up to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 18 Aug Gallatin and Madison County Mountains and Centennial Mountains

Mostly cloudy with chance of rain Showers and slight chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows 42 to 50. West Winds up to 10 Mph. Gusts up to 25 Mph in the evening. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunset Peak Temperature Statistics

August Temperature

Dillon, Dillon Airport (34.2 miles)

  • Lowest 4 August, 2026

    39.7 °F

  • Average August

    66.2 °F

  • Highest 1 August, 2026

    93.7 °F

Climate (2021–2026)

Dillon, Dillon Airport (34.2 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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