Arlee, MT Weather & Growing Conditions
Today
70°F
Patchy Smoke
Patchy smoke before 1pm. Sunny, with a high near 70. North northwest wind 2 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Patchy Smoke | 2 to 8 mph NNW | 0% |
| Tonight | 48°F | Mostly Clear | 3 to 7 mph ENE | 0% |
| Wednesday | 75°F | Sunny | 6 mph WSW | 0% |
| Wednesday Night | 53°F | Mostly Clear | 6 mph ESE | 0% |
| Thursday | 83°F | Sunny | 6 mph SSW | 0% |
| Thursday Night | 58°F | Clear | 6 mph SW | 0% |
| Friday | 85°F | Sunny | 8 mph SW | 0% |
| Friday Night | 58°F | Mostly Clear | 5 to 14 mph SW | 0% |
| Saturday | 82°F | Sunny | 7 to 10 mph SW | 0% |
| Saturday Night | 57°F | Mostly Clear | 3 to 10 mph S | 0% |
| Sunday | 79°F | Sunny | 6 mph SSW | 0% |
| Sunday Night | 55°F | Mostly Clear | 2 to 7 mph NNW | 0% |
| Monday | 77°F | Sunny | 6 mph NNE | 0% |
| Monday Night | 55°F | Mostly Clear | 2 to 6 mph NNE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Arlee, MT
Last spring frost
May 12
First fall frost
Oct 2
Growing season
142 days
Hardiness zone
5b
Explore more for Arlee, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Saint Ignatius, Mt (8.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.