Grassy Lake Weather Forecast
- 42
- 77
Mostly Sunny
- 43
- 80
Slight Chance Thunderstorms
- 43
- 78
Partly Sunny
- 40
- 77
Partly Sunny
- 40
- 79
Partly Sunny
- 40
- 79
Partly Sunny
- 40
- 81
Mostly Sunny
Today 19 Jul Western Uinta Mountains
Partly sunny. A chance of rain Showers and a slight chance of Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 40 percent.
Tonight 19 Jul Western Uinta Mountains
Mostly clear. A 10 percent chance of Showers and Thunderstorms in the evening. Lows in the upper 40s.
Grassy Lake Temperature Statistics
July Temperature
Evanston, Evanston-Uinta County Burns Field (24.2 miles)
Lowest 6 July, 2025
46.7 °FAverage July
69 °FHighest 9 July, 2025
89.7 °F
Climate (2020–Present)
Evanston, Evanston-Uinta County Burns Field (24.2 miles)
Average Low 2020–2025
33.5 °FAverage 2020–2025
44.6 °FAverage High 2020–2025
55.4 °F