Island Lake Weather Forecast

    • 42
    • 52

    Slight Chance Thunderstorms

    • 44
    • 56

    Chance Thunderstorms

    • 43
    • 54

    Slight Chance Thunderstorms

    • 42
    • 54

    Slight Chance Thunderstorms

    • 43
    • 55

    Slight Chance Thunderstorms

    • 42
    • 56

    Slight Chance Thunderstorms

    • 43
    • 58

    Slight Chance Thunderstorms

Today 19 Jul Western Uinta Mountains

Partly sunny. A chance of rain Showers and a slight chance of Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 40 percent.

Tonight 19 Jul Western Uinta Mountains

Mostly clear. A 10 percent chance of Showers and Thunderstorms in the evening. Lows in the upper 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Lake Temperature Statistics

July Temperature

Vernal Airport (42.3 miles)

  • Lowest 7 July, 2025

    57 °F

  • Average July

    78.2 °F

  • Highest 14 July, 2025

    98.1 °F

Climate (2020–Present)

Vernal Airport (42.3 miles)

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  • Average Low 2020–2025

    36.1 °F

  • Average 2020–2025

    48.9 °F

  • Average High 2020–2025

    61.5 °F
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