Yellowstone Lake Weather Forecast

    • 33
    • 46

    Increasing Clouds

    • 33
    • 49

    Partly Sunny

    • 34
    • 45

    Rain/Snow Likely

    • 30
    • 42

    Rain/Snow

    • 28
    • 41

    Partly Sunny

    • 30
    • 45

    Partly Sunny

Today 29 Oct Yellowstone National Park

Mostly sunny. Highs in the mid 40s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 29 Oct Yellowstone National Park

Mostly cloudy. Lows in the upper 20s. South Winds around 10 Mph.

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Yellowstone Lake Temperature Statistics

October Temperature

Yellowstone Lake (4.3 miles)

  • Lowest 16 October, 2026

    22.6 °F

  • Average October

    42.1 °F

  • Highest 5 October, 2026

    71.7 °F

Climate (2021–2026)

Yellowstone Lake (4.3 miles)

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  • Average Low 2021–2026

    23.1 °F

  • Average 2021–2026

    36 °F

  • Average High 2021–2026

    48.8 °F
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