Cliff Lake Weather Forecast

    • 43
    • 61

    Rain Showers

    • 41
    • 52

    Rain Showers

    • 38
    • 60

    Mostly Cloudy

    • 41
    • 66

    Mostly Sunny

    • 42
    • 67

    Partly Sunny

    • 42
    • 67

    Mostly Sunny

    • 43
    • 69

    Partly Sunny

Today 18 Sep Gallatin and Madison County Mountains and Centennial Mountains

Partly cloudy. Lows 42 to 48. Highs 61 to 71.

Tonight 18 Sep Gallatin and Madison County Mountains and Centennial Mountains

Chance of Thunderstorms in the evening. Rain Showers through the night. Slight chance of Thunderstorms after midnight. Patchy fog late in the night. Lows 40 to 46. Southeast Winds up to 10 Mph. Chance of precipitation near 100 percent.

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Cliff Lake Temperature Statistics

September Temperature

West Yellowstone (22.4 miles)

  • Lowest 15 September, 2026

    23 °F

  • Average September

    51.4 °F

  • Highest 6 September, 2026

    75.2 °F

Climate (2021–2026)

West Yellowstone (22.4 miles)

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  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    65.9 °F
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