Island Lake Weather Forecast
- 10
- 16
Mostly Sunny
- 15
- 26
Partly Sunny
- 20
- 28
Blustery
- 22
- 29
Blustery
- 19
- 30
Blustery
- 11
- 26
Blustery
Today 10 Jan Western Uinta Mountains
Sunny. Highs in the lower 30s.
Tonight 10 Jan Western Uinta Mountains
Mostly clear. Lows near 15.
Island Lake Temperature Statistics
January Temperature
Vernal Airport (42.3 miles)
Lowest 7 January, 2026
21 °FAverage January
32.1 °FHighest 5 January, 2026
46 °F
Climate (2021–Present)
Vernal Airport (42.3 miles)
Average Low 2021–2026
36.8 °FAverage 2021–2026
49.6 °FAverage High 2021–2026
62.1 °F