Lonepine, MT Weather & Growing Conditions
Today
72°F
Sunny
Sunny, with a high near 72. East wind 1 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Sunny | 1 to 5 mph E | 2% |
| Tonight | 50°F | Partly Cloudy | 3 mph SW | 2% |
| Sunday | 74°F | Sunny | 0 to 3 mph SSW | 0% |
| Sunday Night | 51°F | Mostly Clear | 3 mph NNW | 0% |
| Monday | 76°F | Sunny | 1 to 5 mph SSW | 0% |
| Monday Night | 52°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 75°F | Sunny | 1 to 5 mph SSW | 0% |
| Tuesday Night | 52°F | Partly Cloudy | 1 to 5 mph W | 1% |
| Wednesday | 73°F | Mostly Sunny | 1 to 6 mph SW | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 2 to 7 mph WSW | 2% |
| Thursday | 72°F | Mostly Sunny | 1 to 5 mph SSW | 1% |
| Thursday Night | 52°F | Partly Cloudy | 5 mph WNW | 6% |
| Friday | 69°F | Partly Sunny | 1 to 6 mph WSW | 9% |
| Friday Night | 48°F | Slight Chance Light Rain | 7 mph W | 20% |
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 (21 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.