Marysville Weather Forecast
- 28
- 36
Mostly Cloudy
- 34
- 42
Chance Rain/Snow
- 38
- 43
Chance Rain/Snow
- 33
- 42
Snow Likely
- 27
- 36
Chance Snow
- 24
- 37
Partly Sunny
Today 21 Feb Upper Blackfoot and MacDonald Pass
Partly cloudy. Highs 30 to 40. West Winds 10 to 15 Mph with Gusts to around 30 Mph.
Tonight 21 Feb Upper Blackfoot and MacDonald Pass
Mostly cloudy. Lows 25 to 30. Southwest Winds 5 to 15 Mph with Gusts to around 30 Mph.
Marysville Temperature Statistics
February Temperature
Helena Regional Airport (17.4 miles)
Lowest 11 February, 2025
-23.1 °FAverage February
5.6 °FHighest 1 February, 2025
43.6 °F
Climate (2020–Present)
Helena Regional Airport (17.4 miles)
Average Low 2020–2025
35.9 °FAverage 2020–2025
47.2 °FAverage High 2020–2025
59 °F