Coffin Lake Weather Forecast

    • 46
    • 65

    Decreasing Clouds

    • 49
    • 68

    Mostly Sunny

    • 51
    • 72

    Mostly Sunny

    • 48
    • 72

    Mostly Sunny

    • 46
    • 69

    Mostly Sunny

    • 46
    • 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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Coffin Lake Temperature Statistics

August Temperature

West Yellowstone (13 miles)

  • Lowest 10 August, 2025

    32 °F

  • Average August

    60.8 °F

  • Highest 6 August, 2025

    84.2 °F

Climate (2020–Present)

West Yellowstone (13 miles)

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  • Average Low 2020–2025

    33.3 °F

  • Average 2020–2025

    50.7 °F

  • Average High 2020–2025

    66.1 °F
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