Clancy, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clancy, a community in Jefferson County, Montana.
Overnight
42°F
Patchy Smoke
Patchy smoke. Mostly clear, with a low around 42. Wind around 0 mph.
7-day forecast for Clancy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 42°F | Patchy Smoke | 0 mph | 0% |
| Tuesday | 77°F | Patchy Smoke | 0 to 7 mph NE | 0% |
| Tuesday Night | 46°F | Mostly Clear | 5 mph W | 1% |
| Wednesday | 85°F | Sunny | 2 to 7 mph W | 0% |
| Wednesday Night | 49°F | Mostly Clear | 2 to 7 mph WNW | 0% |
| Thursday | 92°F | Sunny | 2 to 9 mph W | 0% |
| Thursday Night | 53°F | Mostly Clear | 2 to 8 mph W | 0% |
| Friday | 95°F | Sunny | 2 to 15 mph W | 0% |
| Friday Night | 54°F | Mostly Clear | 3 to 12 mph W | 0% |
| Saturday | 93°F | Sunny | 2 to 10 mph WNW | 0% |
| Saturday Night | 53°F | Mostly Clear | 2 to 8 mph W | 0% |
| Sunday | 90°F | Sunny | 1 to 7 mph NNW | 1% |
| Sunday Night | 52°F | Mostly Clear | 2 to 7 mph WNW | 1% |
| Monday | 88°F | Sunny | 1 to 7 mph NNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Clancy (46.449, -112.003). Updated through the day.
Growing snapshot for Clancy
Last spring frost
Jun 18
First fall frost
Sep 5
Growing season
81 days
Hardiness zone
4b
More local growing data for Clancy: nearby ZIP 59634 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Tizer Gardens, Mt (5 mi from Clancy). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.