Whitefish, MT Weather & Growing Conditions
Live forecast is briefly unavailable; the local growing information below is from NOAA climate normals.
Growing snapshot for Whitefish, MT
Last spring frost
May 16
First fall frost
Sep 25
Growing season
129 days
Hardiness zone
5a
Explore more for Whitefish, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Whitefish, Mt (6.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.