Riverfront Weather Forecast
- 45
- 75
Mostly Sunny
- 52
- 82
Rain Showers Likely
- 50
- 75
Rain Likely
- 48
- 74
Chance Rain Showers
- 48
- 78
Mostly Sunny
- 48
- 79
Mostly Sunny
- 47
- 77
Mostly Sunny
Today 16 Sep Missoula/Bitterroot Valleys
Mostly sunny. Highs in the mid 70s.
Tonight 16 Sep Missoula/Bitterroot Valleys
Mostly clear. Lows in the lower to mid 40s. North Winds to 15 Mph in the evening.
Riverfront Temperature Statistics
September Temperature
Missoula, Missoula International Airport (5 miles)
Lowest 9 September, 2026
38.6 °FAverage September
58.8 °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