Big Lake Weather Forecast
- 53
- 76
Mostly Sunny
- 57
- 78
Mostly Sunny
- 55
- 76
Chance Thunderstorms
- 54
- 74
Chance Thunderstorms
- 53
- 74
Chance Thunderstorms
- 50
- 69
Rain Showers Likely
Today 19 Aug Eastern Uinta Mountains
Sunny. Highs in the 70s.
Tonight 19 Aug Eastern Uinta Mountains
Mostly clear. Lows 45 to 55.
Big Lake Temperature Statistics
August Temperature
Vernal Airport (17.4 miles)
Lowest 10 August, 2025
51.1 °FAverage August
77 °FHighest 13 August, 2025
97 °F
Climate (2020–Present)
Vernal Airport (17.4 miles)
Average Low 2020–2025
36.1 °FAverage 2020–2025
48.9 °FAverage High 2020–2025
61.5 °F