Superior, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Superior, a town in Mineral County, Montana.
Today
81°F
Patchy Smoke
Patchy smoke before 2pm. Sunny, with a high near 81. West wind around 2 mph.
7-day forecast for Superior
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Patchy Smoke | 2 mph W | 0% |
| Tonight | 50°F | Mostly Clear | 2 mph NW | 0% |
| Wednesday | 87°F | Sunny | 1 mph WNW | 0% |
| Wednesday Night | 52°F | Mostly Clear | 2 mph WSW | 0% |
| Thursday | 94°F | Sunny | 2 mph W | 0% |
| Thursday Night | 55°F | Mostly Clear | 0 to 3 mph SW | 0% |
| Friday | 94°F | Sunny | 0 to 6 mph SW | 0% |
| Friday Night | 55°F | Clear | 2 to 7 mph SW | 0% |
| Saturday | 91°F | Sunny | 2 to 6 mph SW | 0% |
| Saturday Night | 54°F | Mostly Clear | 1 to 6 mph SW | 0% |
| Sunday | 89°F | Sunny | 0 to 3 mph SW | 0% |
| Sunday Night | 53°F | Mostly Clear | 0 to 3 mph W | 0% |
| Monday | 88°F | Sunny | 2 mph NNW | 0% |
| Monday Night | 53°F | Mostly Clear | 0 to 3 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Superior (47.195, -114.901). Updated through the day.
Growing snapshot for Superior
Last spring frost
May 17
First fall frost
Sep 23
Growing season
125 days
Hardiness zone
6a
More local growing data for Superior: nearby ZIP 59872 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Superior, Mt (6.1 mi from Superior). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.