Sunset Peak Weather Forecast

    • 35
    • 50

    Mostly Sunny

    • 39
    • 59

    Mostly Sunny

    • 43
    • 62

    Mostly Sunny

    • 36
    • 55

    Partly Sunny

    • 33
    • 53

    Chance Rain/Snow

    • 30
    • 40

    Chance Snow Showers

Today 8 Sep Gallatin and Madison County Mountains and Centennial Mountains

Sunny. Highs 51 to 61. Southwest Winds up to 10 Mph with Gusts to around 25 Mph shifting to the west with Gusts to around 35 Mph in the afternoon.

Tonight 8 Sep Gallatin and Madison County Mountains and Centennial Mountains

Mostly clear. Lows 33 to 39. Northwest Winds up to 10 Mph with Gusts to around 30 Mph shifting to the southwest after midnight.

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Sunset Peak Temperature Statistics

September Temperature

Dillon, Dillon Airport (34.2 miles)

  • Lowest 4 September, 2026

    42.7 °F

  • Average September

    62.1 °F

  • Highest 1 September, 2026

    82.7 °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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