Mount Jefferson Weather Forecast

    • 53
    • 73

    Chance Thunderstorms

    • 52
    • 69

    Chance Thunderstorms

    • 47
    • 62

    Rain Showers Likely

    • 43
    • 59

    Rain Showers

    • 42
    • 58

    Chance Thunderstorms

    • 45
    • 63

    Slight Chance Thunderstorms

Today 1 Jul Centennial Mountains/Island Park

Mostly sunny. A chance of rain Showers and a slight chance of Thunderstorms in the afternoon. Highs 84 to 92.

Tonight 1 Jul Centennial Mountains/Island Park

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows 52 to 62.

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Mount Jefferson Temperature Statistics

July Temperature

West Yellowstone (20.5 miles)

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  • Average July

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Climate (2020–Present)

West Yellowstone (20.5 miles)

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  • Average Low 2020–2025

    33.3 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    65.9 °F
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