Ennis, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ennis, a town in Madison County, Montana.
Today
76°F
Patchy Smoke
Patchy smoke. Sunny, with a high near 76. North northeast wind 1 to 9 mph.
7-day forecast for Ennis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Patchy Smoke | 1 to 9 mph NNE | 0% |
| Tonight | 45°F | Patchy Smoke | 2 to 10 mph NW | 0% |
| Wednesday | 84°F | Patchy Smoke | 2 to 8 mph SW | 0% |
| Wednesday Night | 49°F | Patchy Smoke then Mostly Clear | 2 to 8 mph SW | 0% |
| Thursday | 90°F | Sunny | 3 to 10 mph SW | 0% |
| Thursday Night | 54°F | Mostly Clear | 2 to 10 mph S | 0% |
| Friday | 94°F | Sunny | 6 to 20 mph SW | 0% |
| Friday Night | 55°F | Mostly Clear | 3 to 15 mph NNW | 0% |
| Saturday | 93°F | Sunny | 3 to 14 mph SW | 1% |
| Saturday Night | 55°F | Partly Cloudy | 1 to 12 mph NNE | 1% |
| Sunday | 91°F | Sunny | 0 to 8 mph W | 3% |
| Sunday Night | 53°F | Partly Cloudy | 2 to 9 mph NNE | 6% |
| Monday | 89°F | Sunny | 0 to 8 mph N | 3% |
| Monday Night | 53°F | Partly Cloudy | 3 to 10 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Ennis (45.346, -111.731). Updated through the day.
Growing snapshot for Ennis
Last spring frost
Jun 16
First fall frost
Sep 4
Growing season
78 days
Hardiness zone
5a
More local growing data for Ennis: nearby ZIP 59729 weather · frost dates · planting calendar · Montana frost dates
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Climate data from the nearest NOAA station, Ennis, Mt (3.1 mi from Ennis). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.