Riverfront Weather Forecast
- 49
- 81
Mostly Sunny
- 51
- 83
Mostly Sunny
- 49
- 84
Partly Sunny
- 51
- 83
Mostly Sunny
- 44
- 70
Partly Sunny
- 46
- 76
Mostly Sunny
- 50
- 82
Partly Sunny
Today 17 Sep Missoula/Bitterroot Valleys
Mostly sunny. Highs near 80.
Tonight 17 Sep Missoula/Bitterroot Valleys
Mostly clear. Lows in the mid to upper 40s.
Riverfront Temperature Statistics
September Temperature
Missoula, Missoula International Airport (5 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 (5 miles)
Average Low 2020–2025
35.6 °FAverage 2020–2025
47.1 °FAverage High 2020–2025
59.2 °F