Yellowstone Lake Weather Forecast

    • 28
    • 51

    Rain Showers

    • 25
    • 33

    Snow Showers Likely

    • 30
    • 45

    Partly Sunny

    • 33
    • 46

    Chance Rain Showers

    • 33
    • 47

    Chance Rain Showers

    • 31
    • 43

    Chance Rain/Snow

Today 11 Oct Yellowstone National Park

Rain Showers. A slight chance of Thunderstorms in the Morning, then a chance of Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall in the morning. Some Thunderstorms may produce heavy rainfall in the afternoon. Highs in the lower 50s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 80 percent.

Tonight 11 Oct Yellowstone National Park

Partly cloudy with rain Showers likely with a slight chance of Thunderstorms. Near steady temperature in the lower 40s. South Winds 10 to 15 Mph with Gusts up to 35 Mph. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Yellowstone Lake Temperature Statistics

October Temperature

Yellowstone Lake (4.3 miles)

  • Lowest 6 October, 2025

    21.9 °F

  • Average October

    38.5 °F

  • Highest 2 October, 2025

    61 °F

Climate (2020–Present)

Yellowstone Lake (4.3 miles)

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  • Average Low 2020–2025

    22.4 °F

  • Average 2020–2025

    35.2 °F

  • Average High 2020–2025

    47.9 °F
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