Upper Red Rock Lake Weather Forecast

    • 36
    • 56

    Chance Rain

    • 38
    • 57

    Rain

    • 25
    • 42

    Rain/Snow

    • 24
    • 39

    Partly Sunny

    • 26
    • 44

    Partly Sunny

    • 26
    • 44

    Partly Sunny

Today 21 Oct Gallatin and Madison County Mountains and Centennial Mountains

Sunny. Highs 50 to 60. South Winds 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 21 Oct Gallatin and Madison County Mountains and Centennial Mountains

Mostly clear. Lows 35 to 41. South Winds 5 to 10 Mph with Gusts to around 25 Mph.

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Upper Red Rock Lake Temperature Statistics

October Temperature

West Yellowstone (29.8 miles)

  • Lowest 16 October, 2026

    15.8 °F

  • Average October

    42.8 °F

  • Highest 5 October, 2026

    75.2 °F

Climate (2021–2026)

West Yellowstone (29.8 miles)

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  • Average Low 2021–2026

    34 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    66.2 °F
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