Sunset Peak Weather Forecast

    • 38
    • 55

    Chance Rain Showers

    • 41
    • 54

    Mostly Sunny

    • 44
    • 59

    Mostly Sunny

    • 40
    • 58

    Partly Sunny

    • 38
    • 51

    Mostly Cloudy

    • 37
    • 52

    Chance Rain

Today 22 Sep Gallatin and Madison County Mountains and Centennial Mountains

Mostly sunny until late afternoon then becoming mostly cloudy. Highs 57 to 67. South Winds up to 10 Mph.

Tonight 22 Sep Gallatin and Madison County Mountains and Centennial Mountains

Mostly cloudy. Chance of rain Showers and slight chance of Thunderstorms in the Evening, then chance of rain Showers after midnight. Lows 38 to 44. Southwest Winds up to 10 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunset Peak Temperature Statistics

September Temperature

Dillon, Dillon Airport (34.2 miles)

  • Lowest 15 September, 2026

    31.6 °F

  • Average September

    58.6 °F

  • Highest 10 September, 2026

    83.6 °F

Climate (2021–2026)

Dillon, Dillon Airport (34.2 miles)

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  • Average Low 2021–2026

    31.6 °F

  • Average 2021–2026

    44 °F

  • Average High 2021–2026

    57 °F
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