Riverfront Weather Forecast
- 47
- 76
Rain Likely
- 47
- 76
Rain
- 40
- 59
Rain
- 41
- 72
Partly Sunny
- 44
- 79
Partly Sunny
- 47
- 81
Partly Sunny
Today 5 Sep Missoula/Bitterroot Valleys
Mostly cloudy in the morning then clearing. Areas of rain early in the morning. Slight chance of rain early in the Afternoon, then chance of rain Showers and a slight chance of Thunderstorms late in the afternoon. Areas of fog in the morning. Chance of precipitation 50 percent. Highs in the lower to mid 70s.
Tonight 5 Sep Missoula/Bitterroot Valleys
Mostly cloudy. Chance of rain Showers and a slight chance of Thunderstorms in the Evening, then a chance of rain after midnight. Chance of precipitation 50 percent. Lows in the mid to upper 40s.
Riverfront Temperature Statistics
September Temperature
Missoula, Missoula International Airport (5 miles)
Lowest 1 September, 2026
45.6 °FAverage September
61.9 °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
59.8 °F