Big Moose Lake Weather Forecast
- 40
- 62
Mostly Sunny
- 41
- 64
Partly Sunny
- 41
- 64
Mostly Sunny
- 34
- 59
Chance Rain Showers
- 35
- 54
Mostly Sunny
- 41
- 62
Mostly Sunny
Today 18 Sep Absaroka Mountains
Sunny. Highs in the lower 60s. West Winds around 10 Mph.
Tonight 18 Sep Absaroka Mountains
Mostly clear. Lows in the lower 40s. West Winds around 10 Mph.
Big Moose Lake Temperature Statistics
September Temperature
Yellowstone Lake (44.7 miles)
Lowest 6 September, 2025
30.9 °FAverage September
49.8 °FHighest 3 September, 2025
75.9 °F
Climate (2020–Present)
Yellowstone Lake (44.7 miles)
Average Low 2020–2025
22.4 °FAverage 2020–2025
35.2 °FAverage High 2020–2025
48 °F