Superior, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Superior, a town in Mineral County, Montana.
This Afternoon
51°F
Sunny
Sunny. High near 51, with temperatures falling to around 44 in the afternoon. Wind around 0 mph.
7-day forecast for Superior
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 51°F | Sunny | 0 mph | 0% |
| Tonight | 31°F | Partly Cloudy | 1 mph S | 2% |
| Thursday | 44°F | Slight Chance Rain And Snow then Mostly Cloudy | 2 mph SSW | 18% |
| Thursday Night | 32°F | Partly Cloudy | 1 mph SSW | 0% |
| Friday | 49°F | Mostly Sunny | 2 mph S | 0% |
| Friday Night | 37°F | Mostly Cloudy | 2 mph S | 3% |
| Saturday | 58°F | Mostly Sunny | 2 mph SSE | 2% |
| Saturday Night | 38°F | Partly Cloudy | 1 to 6 mph SSE | 10% |
| Sunday | 56°F | Slight Chance Light Rain | 2 to 7 mph SW | 18% |
| Sunday Night | 36°F | Slight Chance Light Rain then Patchy Fog | 2 mph SSW | 18% |
| Monday | 52°F | Slight Chance Light Rain | 1 mph SSE | 15% |
| Monday Night | 37°F | Mostly Cloudy | 2 mph S | 10% |
| Tuesday | 55°F | Mostly Sunny then Slight Chance Light Rain | 2 mph S | 19% |
| Tuesday Night | 38°F | Slight Chance Light Rain | 0 to 5 mph S | 19% |
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 Nov 5, 2026.