Mill Hollow Reservoir Weather Forecast
- 38
- 55
Mostly Sunny
- 44
- 61
Partly Sunny
- 40
- 56
Rain Showers Likely
- 40
- 58
Slight Chance Thunderstorms
- 42
- 61
Mostly Sunny
- 43
- 60
Partly Sunny
Today 20 Sep Western Uinta Mountains
Sunny. Highs around 60.
Tonight 20 Sep Western Uinta Mountains
Mostly clear. Lows in the lower 30s.
Mill Hollow Reservoir Temperature Statistics
September Temperature
Provo, Provo Municipal Airport (37.3 miles)
Lowest 15 September, 2026
50 °FAverage September
71 °FHighest 12 September, 2026
91.9 °F
Climate (2021–2026)
Provo, Provo Municipal Airport (37.3 miles)
Average Low 2021–2026
42.7 °FAverage 2021–2026
53.3 °FAverage High 2021–2026
64.4 °F