Mirror Lake Recreation Site Weather Forecast
- 41
- 56
Increasing Clouds
- 41
- 57
Mostly Cloudy
- 41
- 52
Chance Thunderstorms
- 38
- 52
Chance Thunderstorms
- 39
- 55
Mostly Sunny
- 44
- 60
Mostly Sunny
Today 18 Sep Western Uinta Mountains
Sunny. Highs in the mid 60s.
Tonight 18 Sep Western Uinta Mountains
Mostly cloudy. Lows around 40.
Mirror Lake Recreation Site Temperature Statistics
September Temperature
Evanston, Evanston-Uinta County Burns Field (39.8 miles)
Lowest 13 September, 2025
39.9 °FAverage September
61.6 °FHighest 2 September, 2025
82.9 °F
Climate (2020–Present)
Evanston, Evanston-Uinta County Burns Field (39.8 miles)
Average Low 2020–2025
33.5 °FAverage 2020–2025
44.6 °FAverage High 2020–2025
55.4 °F