Sunset Peak Weather Forecast

    • 48
    • 65

    Rain Showers Likely

    • 51
    • 69

    Chance Rain Showers

    • 54
    • 73

    Mostly Sunny

    • 49
    • 73

    Partly Sunny

    • 47
    • 71

    Mostly Sunny

    • 47
    • 69

    Mostly Sunny

Today 17 Aug Gallatin and Madison County Mountains and Centennial Mountains

Mostly cloudy. A 50 percent chance of Thunderstorms in the afternoon. Highs 65 to 75. South Winds up to 10 Mph shifting to the southwest in the afternoon.

Tonight 17 Aug Gallatin and Madison County Mountains and Centennial Mountains

Mostly cloudy with a 50 percent chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows 45 to 50. South Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunset Peak Temperature Statistics

August Temperature

Dillon, Dillon Airport (34.2 miles)

  • Lowest 8 August, 2025

    41.6 °F

  • Average August

    65.8 °F

  • Highest 13 August, 2025

    91.7 °F

Climate (2020–Present)

Dillon, Dillon Airport (34.2 miles)

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  • Average Low 2020–2025

    30.6 °F

  • Average 2020–2025

    42.8 °F

  • Average High 2020–2025

    55.8 °F
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