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.
Mill Hollow Reservoir Temperature Statistics
September Temperature
Provo, Provo Municipal Airport (37.3 miles)
Lowest 1 September, 2026
54 °FAverage September
71.5 °FHighest 4 September, 2026
86 °F
Climate (2021–2026)
Provo, Provo Municipal Airport (37.3 miles)
Average Low 2021–2026
42.6 °FAverage 2021–2026
53.3 °FAverage High 2021–2026
64.4 °F