Saint Joseph Peak Weather Forecast
- 47
- 60
Mostly Sunny
- 49
- 62
Mostly Sunny
- 48
- 62
Partly Sunny
- 46
- 62
Mostly Sunny
- 39
- 49
Partly Sunny
- 43
- 54
Mostly Sunny
- 45
- 61
Partly Sunny
Today 17 Sep Bitterroot/Sapphire Mountains
Mostly sunny. Highs in the upper 60s to mid 70s.
Tonight 17 Sep Bitterroot/Sapphire Mountains
Mostly clear. Lows in the 40s.
Saint Joseph Peak Temperature Statistics
September Temperature
Missoula, Missoula International Airport (23 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 (23 miles)
Average Low 2020–2025
35.6 °FAverage 2020–2025
47.1 °FAverage High 2020–2025
59.2 °F