Olson Airport Weather Forecast
- 53
- 79
Mostly Sunny
- 53
- 84
Sunny
- 54
- 86
Mostly Sunny
- 56
- 86
Partly Sunny
- 55
- 83
Partly Sunny
- 50
- 72
Partly Sunny
Today 16 Sep Flathead/Mission Valleys
Warmer, sunny. Highs 72 to 78. North Winds up to 5 Mph.
Tonight 16 Sep Flathead/Mission Valleys
Mostly clear. Lows 46 to 52. Northeast Winds up to 5 Mph.
Olson Airport Temperature Statistics
September Temperature
Missoula, Missoula International Airport (46 miles)
Lowest 13 September, 2025
46.9 °FAverage September
66.7 °FHighest 2 September, 2025
96.1 °F
Climate (2020–Present)
Missoula, Missoula International Airport (46 miles)
Average Low 2020–2025
35.6 °FAverage 2020–2025
47.1 °FAverage High 2020–2025
59.3 °F