Big Lake Weather Forecast

    • 41
    • 58

    Increasing Clouds

    • 42
    • 60

    Mostly Cloudy

    • 43
    • 59

    Chance Rain Showers

    • 40
    • 57

    Slight Chance Thunderstorms

    • 38
    • 58

    Mostly Sunny

    • 41
    • 59

    Mostly Sunny

Today 18 Sep Eastern Uinta Mountains

Mostly clear. Highs in the 50s.

Tonight 18 Sep Eastern Uinta Mountains

Mostly clear in the Evening, then becoming mostly cloudy. Lows 35 to 45.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Lake Temperature Statistics

September Temperature

Vernal Airport (17.4 miles)

  • Lowest 14 September, 2025

    43 °F

  • Average September

    67.3 °F

  • Highest 2 September, 2025

    90 °F

Climate (2020–Present)

Vernal Airport (17.4 miles)

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  • Average Low 2020–2025

    36.1 °F

  • Average 2020–2025

    49 °F

  • Average High 2020–2025

    61.5 °F
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