Rosemont Airport Weather Forecast
- 51
- 80
Increasing Clouds
- 51
- 82
Partly Sunny
- 51
- 81
Mostly Sunny
- 42
- 68
Partly Sunny
- 45
- 71
Mostly Sunny
- 48
- 80
Mostly Sunny
Today 18 Sep Missoula/Bitterroot Valleys
Mostly sunny. Highs in the lower 80s.
Tonight 18 Sep Missoula/Bitterroot Valleys
Mostly clear. Lows in the mid 40s to lower 50s.
Rosemont Airport Temperature Statistics
September Temperature
Missoula, Missoula International Airport (32.9 miles)
Lowest 13 September, 2025
46.9 °FAverage September
66.1 °FHighest 2 September, 2025
96.1 °F
Climate (2020–Present)
Missoula, Missoula International Airport (32.9 miles)
Average Low 2020–2025
35.6 °FAverage 2020–2025
47.1 °FAverage High 2020–2025
59.2 °F