Mill Hollow Reservoir Weather Forecast

    • 45
    • 63

    Chance Rain Showers

    • 44
    • 59

    Partly Sunny

    • 46
    • 64

    Mostly Sunny

    • 48
    • 68

    Mostly Sunny

    • 50
    • 67

    Mostly Sunny

    • 49
    • 67

    Partly Sunny

    • 44
    • 63

    Slight Chance Thunderstorms

Today 6 Sep Western Uinta Mountains

Sunny in the Morning, then mostly cloudy with a chance of rain Showers and a slight chance of Thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 50 percent.

Tonight 6 Sep Western Uinta Mountains

Mostly cloudy. A chance of rain Showers and a slight chance of Thunderstorms in the Evening, then a slight chance of rain Showers after midnight. Lows in the lower 40s. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mill Hollow Reservoir Temperature Statistics

September Temperature

Provo, Provo Municipal Airport (37.3 miles)

  • Lowest 1 September, 2026

    54 °F

  • Average September

    71.5 °F

  • Highest 4 September, 2026

    86 °F

Climate (2021–2026)

Provo, Provo Municipal Airport (37.3 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    53.3 °F

  • Average High 2021–2026

    64.4 °F
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