Mammoth Weather Forecast

    • 15
    • 36

    Increasing Clouds

    • 26
    • 29

    Snow Likely

    • 26
    • 31

    Snow

    • 23
    • 31

    Snow Likely

    • 25
    • 31

    Snow Likely

    • 21
    • 32

    Snow Likely

Today 30 Jan Yellowstone National Park

Mostly sunny. Highs in the lower 30s.

Tonight 30 Jan Yellowstone National Park

Clear, cold with Lows 1 below to 11 above zero.

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  • Temperature Real-Time

Mammoth Temperature Statistics

January Temperature

West Yellowstone (28 miles)

  • Lowest

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  • Average January

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Climate (2020–Present)

West Yellowstone (28 miles)

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  • Average Low 2020–2024

    31.3 °F

  • Average 2020–2024

    48.2 °F

  • Average High 2020–2024

    63 °F
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