Grassy Lake Weather Forecast

    • 40
    • 77

    Slight Chance Thunderstorms

    • 39
    • 78

    Slight Chance Thunderstorms

    • 38
    • 76

    Chance Thunderstorms

    • 38
    • 78

    Mostly Sunny

    • 39
    • 80

    Mostly Sunny

    • 41
    • 82

    Mostly Sunny

Today 22 Jul Western Uinta Mountains

Sunny in the morning then becoming partly cloudy. Highs in the lower 70s.

Tonight 22 Jul Western Uinta Mountains

Partly cloudy. Lows in the mid 40s.

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Grassy Lake Temperature Statistics

July Temperature

Evanston, Evanston-Uinta County Burns Field (24.2 miles)

  • Lowest 6 July, 2025

    46.7 °F

  • Average July

    68.8 °F

  • Highest 9 July, 2025

    89.7 °F

Climate (2020–Present)

Evanston, Evanston-Uinta County Burns Field (24.2 miles)

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  • Average Low 2020–2025

    33.5 °F

  • Average 2020–2025

    44.6 °F

  • Average High 2020–2025

    55.4 °F
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