Elkhorn, MT Weather & Growing Conditions
This Afternoon
70°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. High near 70, with temperatures falling to around 67 in the afternoon. South southeast wind around 10 mph. Chance of precipitation is 70%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Showers And Thunderstorms Likely | 10 mph SSE | 68% |
| Tonight | 50°F | Showers And Thunderstorms | 6 to 10 mph NW | 98% |
| Saturday | 57°F | Showers And Thunderstorms | 6 to 9 mph WNW | 90% |
| Saturday Night | 46°F | Chance Light Rain | 3 to 7 mph W | 53% |
| Sunday | 69°F | Mostly Sunny | 3 mph SW | 3% |
| Sunday Night | 45°F | Mostly Clear | 1 to 5 mph SW | 0% |
| Monday | 73°F | Sunny | 6 mph SW | 0% |
| Monday Night | 47°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 74°F | Mostly Sunny | 2 to 6 mph SW | 1% |
| Tuesday Night | 48°F | Mostly Clear | 5 mph WNW | 3% |
| Wednesday | 75°F | Sunny | 3 to 7 mph SW | 2% |
| Wednesday Night | 48°F | Mostly Clear | 5 mph W | 3% |
| Thursday | 76°F | Sunny | 2 to 6 mph SSW | 2% |
| Thursday Night | 49°F | Mostly Clear | 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 Sep 19, 2026.