Bishop Lake Weather Forecast

    • 49
    • 85

    Partly Sunny

    • 48
    • 84

    Mostly Sunny

    • 48
    • 85

    Mostly Sunny

    • 50
    • 85

    Mostly Sunny

    • 51
    • 83

    Chance Rain Showers

    • 48
    • 79

    Chance Thunderstorms

Today 20 Aug Centennial Mountains/Island Park

Mostly sunny with a slight chance of rain Showers. Highs 82 to 90.

Tonight 20 Aug Centennial Mountains/Island Park

Mostly clear. A slight chance of rain Showers in the evening. Lows 49 to 59.

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Bishop Lake Temperature Statistics

August Temperature

West Yellowstone (31.1 miles)

  • Lowest 10 August, 2025

    32 °F

  • Average August

    60.8 °F

  • Highest 6 August, 2025

    84.2 °F

Climate (2020–Present)

West Yellowstone (31.1 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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