Upper Rattlesnake Weather Forecast
- 44
- 71
Chance Rain
- 31
- 53
Rain
- 30
- 53
Partly Sunny
- 36
- 59
Mostly Cloudy
- 40
- 61
Chance Rain
- 30
- 57
Chance Rain
- 26
- 47
Partly Sunny
Today 20 Mar Missoula/Bitterroot Valleys
Partly cloudy. Highs in the upper 60s to mid 70s. Windy with southwest Winds 20 to 30 Mph with Gusts to around 30 Mph.
Tonight 20 Mar Missoula/Bitterroot Valleys
Partly cloudy then becoming mostly cloudy late in the evening then becoming partly cloudy then becoming mostly cloudy late in the night. A 30 percent chance of Areas of rain in the late evening and overnight. Lows in the lower to mid 40s. Gusts up to 35 Mph in the evening.
Upper Rattlesnake Temperature Statistics
March Temperature
Missoula, Missoula International Airport (5.6 miles)
Lowest 15 March, 2026
17.7 °FAverage March
37.9 °FHighest 3 March, 2026
60.7 °F
Climate (2021–Present)
Missoula, Missoula International Airport (5.6 miles)
Average Low 2021–2026
36 °FAverage 2021–2026
47.6 °FAverage High 2021–2026
59.7 °F