Porcupine Reservoir Weather Forecast

    • 51
    • 67

    Rain Showers Likely

    • 53
    • 66

    Slight Chance Thunderstorms

    • 52
    • 65

    Slight Chance Thunderstorms

    • 53
    • 67

    Mostly Sunny

    • 53
    • 69

    Partly Sunny

    • 53
    • 68

    Chance Thunderstorms

    • 52
    • 64

    Chance Thunderstorms

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

Porcupine Reservoir Temperature Statistics

August Temperature

Evanston, Evanston-Uinta County Burns Field (20.5 miles)

  • Lowest 15 August, 2026

    47.6 °F

  • Average August

    69.7 °F

  • Highest 1 August, 2026

    94.6 °F

Climate (2021–2026)

Evanston, Evanston-Uinta County Burns Field (20.5 miles)

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  • Average Low 2021–2026

    33.9 °F

  • Average 2021–2026

    45 °F

  • Average High 2021–2026

    56.1 °F
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