Superior, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Superior, a town in Mineral County, Montana.
This Afternoon
75°F
Partly Sunny
Partly sunny, with a high near 75. North northwest wind around 3 mph.
7-day forecast for Superior
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Partly Sunny | 3 mph NNW | 10% |
| Tonight | 48°F | Mostly Cloudy | 0 mph | 10% |
| Saturday | 75°F | Mostly Sunny | 0 mph | 9% |
| Saturday Night | 47°F | Partly Cloudy | 1 mph SE | 4% |
| Sunday | 78°F | Patchy Fog then Sunny | 0 mph | 0% |
| Sunday Night | 48°F | Mostly Clear | 0 mph | 0% |
| Monday | 79°F | Sunny | 1 mph W | 1% |
| Monday Night | 49°F | Mostly Clear | 2 mph SW | 0% |
| Tuesday | 78°F | Sunny | 1 mph S | 0% |
| Tuesday Night | 48°F | Mostly Clear | 1 mph SW | 1% |
| Wednesday | 75°F | Sunny | 2 mph SSW | 2% |
| Wednesday Night | 48°F | Partly Cloudy | 1 mph SSW | 2% |
| Thursday | 79°F | Sunny | 1 mph SSE | 2% |
| Thursday Night | 50°F | Partly Cloudy | 1 mph S | 1% |
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 Sep 19, 2026.