Cardwell, MT Weather & Growing Conditions
Tonight
28°F
Mostly Cloudy
Mostly cloudy, with a low around 28. West wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 28°F | Mostly Cloudy | 0 to 5 mph W | 0% |
| Wednesday | 42°F | Mostly Sunny | 0 to 3 mph NW | 0% |
| Wednesday Night | 27°F | Mostly Clear | 0 to 6 mph WNW | 0% |
| Thursday | 43°F | Mostly Sunny | 2 to 7 mph WSW | 9% |
| Thursday Night | 28°F | Partly Cloudy | 2 to 9 mph WSW | 9% |
| Friday | 44°F | Mostly Sunny | 5 to 9 mph WSW | 4% |
| Friday Night | 29°F | Partly Cloudy | 5 to 15 mph SW | 4% |
| Saturday | 47°F | Mostly Sunny | 1 to 13 mph SW | 0% |
| Saturday Night | 31°F | Partly Cloudy | 1 to 9 mph SW | 0% |
| Sunday | 51°F | Mostly Sunny | 2 to 10 mph SW | 1% |
| Sunday Night | 33°F | Mostly Cloudy | 2 to 6 mph WSW | 1% |
| Monday | 48°F | Partly Sunny | 0 to 5 mph WSW | 2% |
| Monday Night | 34°F | Mostly Cloudy | 0 to 7 mph WNW | 2% |
| Tuesday | 50°F | Mostly Sunny | 1 to 7 mph SW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cardwell, MT
Last spring frost
May 9
First fall frost
Sep 27
Growing season
139 days
Hardiness zone
5a
Explore more for Cardwell, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Trident, Mt (19.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.