Elmo, MT Weather & Growing Conditions
Today
76°F
Sunny
Sunny, with a high near 76. East southeast wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Sunny | 0 to 5 mph ESE | 0% |
| Tonight | 51°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Wednesday | 82°F | Sunny | 0 to 6 mph SSE | 0% |
| Wednesday Night | 54°F | Clear | 0 to 6 mph WSW | 0% |
| Thursday | 89°F | Sunny | 0 to 5 mph S | 0% |
| Thursday Night | 58°F | Clear | 0 to 6 mph WNW | 0% |
| Friday | 90°F | Sunny | 0 to 10 mph SW | 0% |
| Friday Night | 58°F | Clear | 1 to 14 mph WSW | 0% |
| Saturday | 87°F | Sunny | 1 to 13 mph SW | 0% |
| Saturday Night | 58°F | Mostly Clear | 1 to 10 mph WNW | 0% |
| Sunday | 84°F | Sunny | 0 to 6 mph SW | 0% |
| Sunday Night | 56°F | Mostly Clear | 2 to 6 mph NW | 0% |
| Monday | 83°F | Sunny | 0 to 5 mph ESE | 0% |
| Monday Night | 56°F | Mostly Clear | 5 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Elmo, MT
Last spring frost
May 15
First fall frost
Sep 28
Growing season
134 days
Hardiness zone
6a
Explore more for Elmo, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Skq Dam, Mt (12.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.