Grassy Lake Weather Forecast
- 48
- 67
Partly Sunny
- 43
- 64
Mostly Sunny
- 42
- 63
Mostly Sunny
- 47
- 65
Partly Sunny
- 48
- 67
Slight Chance Thunderstorms
- 49
- 65
Slight Chance Thunderstorms
- 48
- 64
Slight Chance Thunderstorms
Today 15 Sep Central Mountains
Sunny in the morning then becoming partly cloudy. Highs around 70.
Tonight 15 Sep Central Mountains
Partly cloudy. Lows in the mid 40s.
Grassy Lake Temperature Statistics
September Temperature
Price - Carbon County Regional Airport (36 miles)
Lowest 13 September, 2025
46.9 °FAverage September
67.4 °FHighest 2 September, 2025
88 °F
Climate (2020–Present)
Price - Carbon County Regional Airport (36 miles)
Average Low 2020–2025
38.7 °FAverage 2020–2025
51.1 °FAverage High 2020–2025
63.6 °F