Lonepine, MT Weather & Growing Conditions
Today
77°F
Patchy Smoke then Sunny
Patchy smoke before noon. Sunny, with a high near 77. West wind 1 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Patchy Smoke then Sunny | 1 to 5 mph W | 0% |
| Tonight | 53°F | Mostly Clear | 1 to 6 mph N | 1% |
| Wednesday | 84°F | Sunny | 1 to 6 mph SW | 0% |
| Wednesday Night | 56°F | Patchy Smoke then Mostly Clear | 1 to 7 mph W | 0% |
| Thursday | 90°F | Sunny | 1 to 7 mph SSW | 0% |
| Thursday Night | 60°F | Mostly Clear | 2 to 7 mph W | 0% |
| Friday | 92°F | Sunny | 1 to 14 mph SW | 0% |
| Friday Night | 60°F | Clear | 3 to 18 mph WSW | 0% |
| Saturday | 88°F | Sunny | 2 to 16 mph SW | 0% |
| Saturday Night | 59°F | Mostly Clear | 2 to 15 mph W | 0% |
| Sunday | 86°F | Sunny | 1 to 7 mph WSW | 0% |
| Sunday Night | 58°F | Mostly Clear | 2 to 9 mph WNW | 0% |
| Monday | 85°F | Sunny | 1 to 5 mph ENE | 0% |
| Monday Night | 58°F | Mostly Clear | 6 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lonepine, MT
Last spring frost
May 15
First fall frost
Sep 28
Growing season
134 days
Hardiness zone
6a
Explore more for Lonepine, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Skq Dam, Mt (14.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.