Riverfront Weather Forecast
- 49
- 71
Mostly Cloudy
- 42
- 65
Mostly Cloudy
- 43
- 67
Partly Sunny
- 42
- 73
Mostly Sunny
- 43
- 74
Mostly Sunny
- 48
- 77
Partly Sunny
- 47
- 79
Partly Sunny
Today 29 Sep Missoula/Bitterroot Valleys
Mostly sunny. Highs in the lower to mid 70s.
Tonight 29 Sep Missoula/Bitterroot Valleys
Mostly cloudy until early morning then becoming partly cloudy. Lows in the mid to upper 40s. West Winds to 15 Mph in the evening.
Riverfront Temperature Statistics
September Temperature
Missoula, Missoula International Airport (5 miles)
Lowest 27 September, 2026
30 °FAverage September
58.1 °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