Island Lake Weather Forecast
- 42
- 52
Slight Chance Thunderstorms
- 44
- 56
Chance Thunderstorms
- 43
- 54
Slight Chance Thunderstorms
- 42
- 54
Slight Chance Thunderstorms
- 43
- 55
Slight Chance Thunderstorms
- 42
- 56
Slight Chance Thunderstorms
- 43
- 58
Slight Chance Thunderstorms
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.
Island Lake Temperature Statistics
July Temperature
Vernal Airport (42.3 miles)
Lowest 7 July, 2025
57 °FAverage July
78.2 °FHighest 14 July, 2025
98.1 °F
Climate (2020–Present)
Vernal Airport (42.3 miles)
Average Low 2020–2025
36.1 °FAverage 2020–2025
48.9 °FAverage High 2020–2025
61.5 °F