Elkhorn, MT Weather & Growing Conditions
Tonight
27°F
Partly Cloudy
Partly cloudy, with a low around 27. Northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 27°F | Partly Cloudy | 5 mph NW | 0% |
| Wednesday | 49°F | Mostly Sunny | 3 mph SW | 0% |
| Wednesday Night | 27°F | Mostly Clear | 3 mph SW | 0% |
| Thursday | 49°F | Mostly Sunny | 5 mph SW | 6% |
| Thursday Night | 27°F | Partly Cloudy | 2 to 7 mph W | 6% |
| Friday | 49°F | Mostly Sunny | 7 mph SW | 6% |
| Friday Night | 31°F | Partly Cloudy | 5 to 15 mph WSW | 6% |
| Saturday | 52°F | Mostly Sunny | 2 to 12 mph SW | 0% |
| Saturday Night | 31°F | Partly Cloudy | 2 to 8 mph SW | 0% |
| Sunday | 56°F | Mostly Sunny | 2 to 8 mph SW | 1% |
| Sunday Night | 33°F | Mostly Cloudy | 2 to 6 mph WSW | 1% |
| Monday | 53°F | Partly Sunny | 3 mph SW | 2% |
| Monday Night | 33°F | Mostly Cloudy | 5 mph SW | 2% |
| Tuesday | 55°F | Mostly Sunny | 5 mph SW | 2% |
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 Nov 4, 2026.