Carter, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Carter, a community in Chouteau County, Montana.
Overnight
42°F
Mostly Clear
Mostly clear, with a low around 42. Southwest wind around 6 mph.
7-day forecast for Carter
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 42°F | Mostly Clear | 6 mph SW | 0% |
| Tuesday | 80°F | Sunny | 5 mph WSW | 0% |
| Tuesday Night | 50°F | Mostly Clear | 3 to 8 mph S | 1% |
| Wednesday | 88°F | Sunny | 8 mph W | 0% |
| Wednesday Night | 53°F | Mostly Clear | 6 mph SSW | 0% |
| Thursday | 96°F | Sunny | 9 mph W | 0% |
| Thursday Night | 56°F | Mostly Clear | 5 to 9 mph E | 0% |
| Friday | 99°F | Sunny | 3 to 13 mph W | 0% |
| Friday Night | 59°F | Mostly Clear | 10 mph W | 0% |
| Saturday | 96°F | Sunny | 9 mph W | 0% |
| Saturday Night | 59°F | Mostly Clear | 6 to 9 mph N | 0% |
| Sunday | 92°F | Sunny | 8 mph NW | 0% |
| Sunday Night | 58°F | Partly Cloudy | 9 mph NE | 6% |
| Monday | 89°F | Sunny | 7 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Carter (47.778, -110.933). Updated through the day.
Growing snapshot for Carter
Last spring frost
May 23
First fall frost
Sep 23
Growing season
120 days
Hardiness zone
4a
More local growing data for Carter: nearby ZIP 59420 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Floweree
Fort Benton
Geraldine
Highwood
Loma
Riverview Colony
Square Butte
Sunnybrook Colony
Twin Hills Colony
Climate data from the nearest NOAA station, Carter 14 W, Mt (11.6 mi from Carter). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.