Island Lake Weather Forecast

    • 36
    • 47

    Rain Showers

    • 36
    • 46

    Rain Showers

    • 35
    • 45

    Isolated Thunderstorms

    • 38
    • 47

    Breezy

    • 39
    • 48

    Slight Chance Thunderstorms

    • 39
    • 47

    Chance Thunderstorms

    • 39
    • 45

    Rain Showers Likely

Today 31 Aug Western Uinta Mountains

Partly cloudy in the Morning, then partly sunny with a 50 percent chance of Showers and Thunderstorms in the afternoon. Highs in the mid 60s.

Tonight 31 Aug Western Uinta Mountains

Mostly cloudy. Rain Showers and scattered Thunderstorms in the Evening, then scattered rain Showers and isolated Thunderstorms after midnight. Lows around 40. Chance of precipitation 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Lake Temperature Statistics

August Temperature

Vernal Airport (42.3 miles)

  • Lowest 5 August, 2026

    53.1 °F

  • Average August

    76.5 °F

  • Highest 3 August, 2026

    100 °F

Climate (2021–2026)

Vernal Airport (42.3 miles)

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  • Average Low 2021–2026

    37.2 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    62.6 °F
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