Mill Hollow Reservoir Weather Forecast

    • 38
    • 60

    Mostly Sunny

    • 44
    • 64

    Mostly Sunny

    • 45
    • 66

    Mostly Cloudy

    • 44
    • 62

    Chance Rain Showers

    • 44
    • 63

    Slight Chance Thunderstorms

    • 45
    • 66

    Mostly Sunny

Today 17 Sep Western Uinta Mountains

Sunny in the Morning, then partly cloudy with a 20 percent chance of Showers and Thunderstorms in the afternoon. Highs around 60.

Tonight 17 Sep Western Uinta Mountains

Mostly clear. Lows in the mid 30s.

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Mill Hollow Reservoir Temperature Statistics

September Temperature

Provo, Provo Municipal Airport (37.3 miles)

  • Lowest 14 September, 2025

    50 °F

  • Average September

    72.2 °F

  • Highest 2 September, 2025

    91 °F

Climate (2020–Present)

Provo, Provo Municipal Airport (37.3 miles)

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  • Average Low 2020–2025

    41.8 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    63.7 °F
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