Riverfront Weather Forecast
- 48
- 80
Increasing Clouds
- 48
- 79
Partly Sunny
- 49
- 77
Partly Sunny
- 51
- 83
Partly Sunny
- 44
- 72
Chance Rain
- 41
- 66
Partly Sunny
Today 21 Sep Missoula/Bitterroot Valleys
Mostly sunny. Patchy fog in the morning. Highs in the mid 70s to lower 80s.
Tonight 21 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 9 September, 2026
38.6 °FAverage September
58.6 °FHighest 1 September, 2026
88.6 °F
Climate (2021–2026)
Missoula, Missoula International Airport (5 miles)
Average Low 2021–2026
36 °FAverage 2021–2026
47.6 °FAverage High 2021–2026
59.7 °F