Grassy Trail Reservoir Weather Forecast

    • 45
    • 67

    Mostly Sunny

    • 47
    • 69

    Slight Chance Thunderstorms

    • 49
    • 69

    Chance Thunderstorms

    • 45
    • 69

    Slight Chance Thunderstorms

    • 31
    • 61

    Slight Chance Snow

    • 33
    • 52

    Slight Chance Snow Showers

Today 9 May Wasatch Plateau/Book Cliffs

Sunny. Highs in the upper 60s.

Tonight 9 May Wasatch Plateau/Book Cliffs

Mostly clear. Lows around 40.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grassy Trail Reservoir Temperature Statistics

May Temperature

Price - Carbon County Regional Airport (18.6 miles)

  • Lowest 1 May, 2025

    35.7 °F

  • Average May

    55.2 °F

  • Highest 3 May, 2025

    75 °F

Climate (2020–Present)

Price - Carbon County Regional Airport (18.6 miles)

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  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    51.1 °F

  • Average High 2020–2025

    63.5 °F
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