Carter, MT Weather & Growing Conditions
This Afternoon
52°F
Mostly Sunny
Mostly sunny. High near 52, with temperatures falling to around 45 in the afternoon. East wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 52°F | Mostly Sunny | 3 mph E | 0% |
| Tonight | 28°F | Patchy Fog | 3 mph W | 0% |
| Wednesday | 48°F | Patchy Fog then Mostly Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 28°F | Patchy Fog | 0 to 3 mph SSW | 0% |
| Thursday | 55°F | Mostly Sunny | 3 to 14 mph SW | 1% |
| Thursday Night | 33°F | Mostly Clear | 12 mph WSW | 1% |
| Friday | 55°F | Mostly Sunny | 12 to 23 mph SW | 1% |
| Friday Night | 36°F | Partly Cloudy | 15 to 21 mph SW | 4% |
| Saturday | 55°F | Mostly Sunny | 5 to 15 mph SW | 0% |
| Saturday Night | 36°F | Partly Cloudy | 5 to 10 mph SW | 0% |
| Sunday | 61°F | Partly Sunny | 10 to 20 mph SW | 1% |
| Sunday Night | 37°F | Mostly Cloudy | 6 to 15 mph WSW | 1% |
| Monday | 54°F | Partly Sunny | 6 mph SW | 2% |
| Monday Night | 37°F | Mostly Cloudy | 6 to 9 mph S | 3% |
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 Nov 4, 2026.