Cardwell, MT Weather & Growing Conditions
This Afternoon
52°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 5pm, then a slight chance of showers and thunderstorms. Cloudy, with a high near 52. Northeast wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 52°F | Chance Showers And Thunderstorms | 8 mph NE | 46% |
| Tonight | 43°F | Slight Chance Light Rain then Mostly Cloudy | 1 to 5 mph N | 22% |
| Sunday | 62°F | Mostly Sunny | 3 mph SSW | 2% |
| Sunday Night | 43°F | Mostly Clear | 3 mph SSW | 0% |
| Monday | 69°F | Sunny | 3 mph SW | 0% |
| Monday Night | 45°F | Mostly Clear | 3 mph SW | 0% |
| Tuesday | 70°F | Sunny | 1 to 5 mph S | 0% |
| Tuesday Night | 48°F | Partly Cloudy | 2 mph SW | 2% |
| Wednesday | 71°F | Sunny | 5 mph SW | 2% |
| Wednesday Night | 48°F | Partly Cloudy | 3 mph SW | 6% |
| Thursday | 73°F | Sunny | 2 to 6 mph SW | 0% |
| Thursday Night | 48°F | Mostly Clear | 3 mph SSW | 4% |
| Friday | 72°F | Mostly Sunny | 2 to 6 mph SSW | 4% |
| Friday Night | 47°F | Partly Cloudy | 6 mph SW | 9% |
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 Sep 20, 2026.