Clancy, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clancy, a community in Jefferson County, Montana.
This Afternoon
51°F
Mostly Sunny
Mostly sunny. High near 51, with temperatures falling to around 44 in the afternoon. Southwest wind around 5 mph.
7-day forecast for Clancy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 51°F | Mostly Sunny | 5 mph SW | 0% |
| Tonight | 28°F | Partly Cloudy | 0 to 6 mph WSW | 0% |
| Wednesday | 49°F | Mostly Sunny | 0 to 3 mph NNW | 0% |
| Wednesday Night | 28°F | Mostly Clear | 1 to 5 mph SSW | 0% |
| Thursday | 50°F | Mostly Sunny | 5 mph SW | 6% |
| Thursday Night | 29°F | Partly Cloudy | 2 to 6 mph SW | 6% |
| Friday | 52°F | Mostly Sunny | 5 to 10 mph SW | 6% |
| Friday Night | 33°F | Partly Cloudy | 6 to 12 mph SW | 6% |
| Saturday | 54°F | Mostly Sunny | 3 to 7 mph SSW | 0% |
| Saturday Night | 34°F | Partly Cloudy | 3 to 8 mph SSW | 0% |
| Sunday | 60°F | Mostly Sunny | 6 to 12 mph SSW | 1% |
| Sunday Night | 34°F | Mostly Cloudy | 3 to 8 mph SW | 1% |
| Monday | 55°F | Partly Sunny | 3 to 7 mph S | 2% |
| Monday Night | 35°F | Mostly Cloudy | 3 to 7 mph SSW | 2% |
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 Nov 3, 2026.