Opheim, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Opheim, a town in Valley County, Montana.
This Afternoon
72°F
Mostly Sunny
Mostly sunny, with a high near 72. North wind around 13 mph, with gusts as high as 18 mph.
7-day forecast for Opheim
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Mostly Sunny | 13 mph N | 0% |
| Tonight | 50°F | Mostly Cloudy | 13 mph NE | 0% |
| Saturday | 65°F | Mostly Cloudy | 13 to 16 mph ENE | 8% |
| Saturday Night | 49°F | Cloudy | 12 mph E | 10% |
| Sunday | 61°F | Mostly Cloudy | 13 mph ESE | 10% |
| Sunday Night | 48°F | Partly Cloudy | 12 mph SE | 2% |
| Monday | 66°F | Partly Sunny | 12 to 17 mph SSE | 1% |
| Monday Night | 50°F | Mostly Clear | 16 mph SSE | 0% |
| Tuesday | 73°F | Mostly Sunny | 10 to 14 mph SSE | 0% |
| Tuesday Night | 52°F | Mostly Clear | 9 mph SSE | 1% |
| Wednesday | 74°F | Sunny | 10 mph S | 4% |
| Wednesday Night | 52°F | Mostly Clear | 8 mph SSE | 3% |
| Thursday | 75°F | Sunny | 8 to 13 mph SSE | 2% |
| Thursday Night | 53°F | Mostly Clear | 8 to 13 mph SE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Opheim (48.857, -106.408). Updated through the day.
Growing snapshot for Opheim
Last spring frost
Jun 5
First fall frost
Sep 2
Growing season
89 days
Hardiness zone
3b
More local growing data for Opheim: nearby ZIP 59240 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Opheim 12 Sse, Mt (10.7 mi from Opheim). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.