South Arm Weather Forecast

    • 30
    • 53

    Mostly Sunny

    • 29
    • 58

    Mostly Sunny

    • 31
    • 60

    Rain Showers Likely

    • 26
    • 48

    Rain Showers Likely

    • 28
    • 51

    Chance Rain Showers

    • 31
    • 57

    Chance Rain Showers

Today 2 May Yellowstone National Park

Sunny. Highs in the upper 50s. Southwest Winds around 10 Mph.

Tonight 2 May Yellowstone National Park

Clear. Lows in the lower 30s. Southwest Winds around 10 Mph with Gusts up to 20 Mph in the evening.

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South Arm Temperature Statistics

May Temperature

Yellowstone Lake (14.9 miles)

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  • Average May

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Climate (2020–Present)

Yellowstone Lake (14.9 miles)

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  • Average Low 2020–2025

    22.3 °F

  • Average 2020–2025

    35 °F

  • Average High 2020–2025

    47.7 °F
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