Blair Lake Weather Forecast

    • 47
    • 67

    Areas Smoke

    • 49
    • 72

    Areas Smoke

    • 51
    • 72

    Slight Chance Thunderstorms

    • 49
    • 72

    Partly Sunny

    • 49
    • 72

    Partly Sunny

    • 51
    • 71

    Partly Sunny

    • 48
    • 69

    Partly Sunny

Today 16 Jul Gallatin and Madison County Mountains and Centennial Mountains

Partly cloudy early in the morning then clearing. Highs 60 to 70. Northeast Winds up to 10 Mph shifting to the northwest in the afternoon.

Tonight 16 Jul Gallatin and Madison County Mountains and Centennial Mountains

Mostly clear. Lows 40 to 50. South Winds up to 10 Mph.

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Blair Lake Temperature Statistics

July Temperature

West Yellowstone (23.6 miles)

  • Lowest 6 July, 2025

    33.8 °F

  • Average July

    60.6 °F

  • Highest 1 July, 2025

    86 °F

Climate (2020–Present)

West Yellowstone (23.6 miles)

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  • Average Low 2020–2025

    33.4 °F

  • Average 2020–2025

    50.7 °F

  • Average High 2020–2025

    66.1 °F
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