Mammoth Weather Forecast

    • 31
    • 55

    Isolated Thunderstorms

    • 24
    • 42

    Snow Showers

    • 36
    • 52

    Partly Sunny

    • 38
    • 58

    Rain Showers Likely

    • 39
    • 62

    Slight Chance Thunderstorms

    • 37
    • 55

    Chance Rain Showers

Today 4 May Yellowstone National Park

Partly cloudy. Highs in the mid 50s. Northwest Winds around 10 Mph with Gusts up to 20 Mph this afternoon.

Tonight 4 May Yellowstone National Park

Partly cloudy. Lows in the upper 20s. Northeast Winds around 10 Mph.

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Mammoth Temperature Statistics

May Temperature

West Yellowstone (28 miles)

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  • Average May

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Climate (2021–Present)

West Yellowstone (28 miles)

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  • Average Low 2021–2026

    33.9 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    66.5 °F
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