Elkhorn, MT Weather & Growing Conditions
Overnight
44°F
Patchy Smoke
Patchy smoke. Mostly clear, with a low around 44. Northwest wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 44°F | Patchy Smoke | 2 mph NW | 0% |
| Tuesday | 76°F | Patchy Smoke | 1 to 6 mph NE | 0% |
| Tuesday Night | 49°F | Patchy Smoke then Mostly Clear | 5 mph N | 1% |
| Wednesday | 85°F | Sunny then Patchy Smoke | 2 to 6 mph W | 0% |
| Wednesday Night | 52°F | Patchy Smoke then Mostly Clear | 5 to 8 mph NW | 0% |
| Thursday | 93°F | Sunny | 2 to 10 mph W | 0% |
| Thursday Night | 56°F | Mostly Clear | 5 to 12 mph WNW | 0% |
| Friday | 96°F | Sunny | 3 to 16 mph WSW | 1% |
| Friday Night | 57°F | Mostly Clear | 8 to 21 mph NW | 0% |
| Saturday | 93°F | Sunny | 3 to 14 mph W | 0% |
| Saturday Night | 58°F | Mostly Clear | 6 to 15 mph NW | 1% |
| Sunday | 90°F | Sunny | 3 to 8 mph WNW | 2% |
| Sunday Night | 56°F | Mostly Clear | 8 to 12 mph NNW | 2% |
| Monday | 88°F | Sunny | 2 to 7 mph ENE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Elkhorn, MT
Last spring frost
Jun 7
First fall frost
Sep 8
Growing season
90 days
Hardiness zone
5a
Explore more for Elkhorn, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Boulder, Mt (6.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.