Carter, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Carter, a community in Chouteau County, Montana.
Overnight
28°F
Patchy Fog
Patchy fog. Partly cloudy, with a low around 28. West southwest wind around 6 mph.
7-day forecast for Carter
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 28°F | Patchy Fog | 6 mph WSW | 0% |
| Wednesday | 48°F | Patchy Fog then Sunny | 0 to 6 mph W | 0% |
| Wednesday Night | 29°F | Partly Cloudy | 1 to 6 mph S | 0% |
| Thursday | 56°F | Mostly Sunny | 6 to 16 mph SW | 0% |
| Thursday Night | 35°F | Partly Cloudy | 14 mph SW | 0% |
| Friday | 56°F | Sunny | 13 to 24 mph SW | 0% |
| Friday Night | 41°F | Partly Cloudy | 16 to 23 mph SW | 0% |
| Saturday | 61°F | Mostly Sunny | 6 to 16 mph SW | 0% |
| Saturday Night | 40°F | Partly Cloudy | 6 to 13 mph SSW | 0% |
| Sunday | 63°F | Partly Sunny | 13 to 22 mph SW | 0% |
| Sunday Night | 39°F | Mostly Cloudy | 8 to 16 mph WSW | 0% |
| Monday | 55°F | Mostly Sunny | 5 to 8 mph SW | 1% |
| Monday Night | 37°F | Mostly Cloudy | 5 to 12 mph SSW | 0% |
| Tuesday | 59°F | Mostly Sunny | 12 to 21 mph SW | 1% |
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 Nov 4, 2026.