Carter, MT Weather & Growing Conditions
Overnight
42°F
Mostly Clear
Mostly clear, with a low around 42. West southwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 42°F | Mostly Clear | 3 mph WSW | 0% |
| Tuesday | 79°F | Sunny | 3 mph SW | 0% |
| Tuesday Night | 49°F | Mostly Clear | 2 to 6 mph SSW | 1% |
| Wednesday | 88°F | Sunny | 8 mph W | 0% |
| Wednesday Night | 52°F | Mostly Clear | 6 mph SW | 0% |
| Thursday | 95°F | Sunny | 5 to 8 mph W | 0% |
| Thursday Night | 55°F | Mostly Clear | 5 to 8 mph ENE | 0% |
| Friday | 98°F | Sunny | 3 to 13 mph W | 0% |
| Friday Night | 58°F | Mostly Clear | 9 mph W | 0% |
| Saturday | 95°F | Sunny | 9 mph WNW | 0% |
| Saturday Night | 58°F | Mostly Clear | 6 to 9 mph N | 0% |
| Sunday | 91°F | Sunny | 7 mph NNW | 0% |
| Sunday Night | 57°F | Partly Cloudy | 9 mph NNE | 6% |
| Monday | 89°F | Sunny | 8 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Carter, MT
Last spring frost
May 23
First fall frost
Sep 23
Growing season
120 days
Hardiness zone
4a
Explore more for Carter, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Carter 14 W, Mt (11.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.