Opheim, MT Weather & Growing Conditions
Overnight
50°F
Mostly Cloudy
Mostly cloudy, with a low around 50. North northeast wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Cloudy | 10 mph NNE | 0% |
| Saturday | 65°F | Partly Sunny | 10 to 15 mph NE | 0% |
| Saturday Night | 47°F | Mostly Cloudy | 12 mph E | 6% |
| Sunday | 61°F | Patchy Fog then Mostly Cloudy | 13 mph SE | 8% |
| Sunday Night | 45°F | Partly Cloudy | 10 mph SSE | 1% |
| Monday | 67°F | Mostly Sunny | 10 to 17 mph SSE | 1% |
| Monday Night | 48°F | Mostly Clear | 14 mph SSE | 0% |
| Tuesday | 74°F | Sunny | 14 mph SSE | 0% |
| Tuesday Night | 50°F | Mostly Clear | 8 mph SSE | 0% |
| Wednesday | 77°F | Mostly Sunny | 6 to 9 mph SSE | 4% |
| Wednesday Night | 52°F | Mostly Clear | 8 mph SSE | 4% |
| Thursday | 78°F | Mostly Sunny | 8 to 13 mph S | 0% |
| Thursday Night | 52°F | Mostly Clear | 7 to 10 mph SE | 4% |
| Friday | 76°F | Mostly Sunny | 10 to 17 mph SSE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Opheim, MT
Last spring frost
Jun 5
First fall frost
Sep 2
Growing season
89 days
Hardiness zone
3b
Explore more for Opheim, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Opheim 12 Sse, Mt (10.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.