Grassy Lake Weather Forecast

    • 42
    • 77

    Mostly Sunny

    • 43
    • 80

    Slight Chance Thunderstorms

    • 43
    • 78

    Partly Sunny

    • 40
    • 77

    Partly Sunny

    • 40
    • 79

    Partly Sunny

    • 40
    • 79

    Partly Sunny

    • 40
    • 81

    Mostly Sunny

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

Grassy Lake Temperature Statistics

July Temperature

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

  • Lowest 6 July, 2025

    46.7 °F

  • Average July

    69 °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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