Yellowstone Weather Forecast

    • 37
    • 72

    Thunderstorms

    • 39
    • 70

    Chance Thunderstorms

    • 39
    • 75

    Slight Chance Thunderstorms

    • 39
    • 70

    Mostly Sunny

    • 41
    • 74

    Partly Sunny

    • 40
    • 74

    Partly Sunny

Today 2 Aug Yellowstone National Park

Mostly sunny in the Morning, then partly cloudy with scattered Showers and Thunderstorms in the afternoon. Some Thunderstorms may produce gusty Winds and small hail in the afternoon. Highs in the lower 70s. Southwest Winds 10 to 15 Mph. Chance of rain 30 percent.

Tonight 2 Aug Yellowstone National Park

Partly cloudy with scattered Showers and Thunderstorms in the Evening, then mostly clear after midnight. Some Thunderstorms may produce gusty Winds and small hail in the evening. Lows in the lower 40s. Northwest Winds 10 to 15 Mph in the evening. Chance of rain 30 percent.

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Yellowstone Temperature Statistics

August Temperature

Yellowstone Lake (5 miles)

  • Lowest

  • Average August

  • Highest

Climate (2020–Present)

Yellowstone Lake (5 miles)

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  • Average Low 2020–2025

    22.3 °F
  • Average 2020–2025

    35.2 °F
  • Average High 2020–2025

    48 °F
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