Hot Springs, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hot Springs, a town in Sanders County, Montana.
Live forecast is briefly unavailable; the local growing information below is from NOAA climate normals.
Growing snapshot for Hot Springs
Last spring frost
May 15
First fall frost
Sep 28
Growing season
134 days
Hardiness zone
6a
More local growing data for Hot Springs: nearby ZIP 59848 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Belknap
Bull Lake
Camas
Dixon
Heron
Lonepine
Noxon
Old Agency
Paradise
Plains
Thompson Falls
Trout Creek
Climate data from the nearest NOAA station, Skq Dam, Mt (21 mi from Hot Springs). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.