Mount Jefferson Weather Forecast

    • 32
    • 45

    Slight Chance Thunderstorms

    • 35
    • 50

    Partly Sunny

    • 43
    • 57

    Partly Sunny

    • 40
    • 57

    Slight Chance Thunderstorms

    • 44
    • 60

    Mostly Sunny

    • 46
    • 66

    Breezy

    • 38
    • 54

    Slight Chance Thunderstorms

Today 1 Jun Centennial Mountains/Island Park

Sunny. A slight chance of dry Thunderstorms in the afternoon. Highs 58 to 66.

Tonight 1 Jun Centennial Mountains/Island Park

Mostly cloudy with isolated Showers and Thunderstorms in the evening. Then partly cloudy after midnight. Lows 31 to 41.

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Mount Jefferson Temperature Statistics

June Temperature

West Yellowstone (20.5 miles)

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Climate (2021–Present)

West Yellowstone (20.5 miles)

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  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    66.4 °F
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