Alberton, MT Weather & Growing Conditions
Overnight
45°F
Patchy Smoke
Patchy smoke. Mostly clear, with a low around 45. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 45°F | Patchy Smoke | 0 mph | 0% |
| Tuesday | 78°F | Patchy Smoke | 0 to 3 mph WSW | 0% |
| Tuesday Night | 50°F | Mostly Clear | 0 to 3 mph N | 0% |
| Wednesday | 85°F | Sunny | 2 mph W | 0% |
| Wednesday Night | 52°F | Clear | 2 mph WSW | 0% |
| Thursday | 92°F | Sunny | 2 mph SW | 0% |
| Thursday Night | 56°F | Clear | 0 to 5 mph SW | 0% |
| Friday | 93°F | Sunny | 0 to 8 mph SW | 0% |
| Friday Night | 55°F | Clear | 2 to 9 mph WSW | 0% |
| Saturday | 90°F | Sunny | 1 to 8 mph SW | 0% |
| Saturday Night | 55°F | Mostly Clear | 1 to 7 mph WSW | 0% |
| Sunday | 87°F | Sunny | 0 to 5 mph W | 0% |
| Sunday Night | 54°F | Mostly Clear | 0 to 5 mph WSW | 0% |
| Monday | 86°F | Sunny | 0 to 3 mph N | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Alberton, MT
Last spring frost
May 18
First fall frost
Sep 25
Growing season
126 days
Hardiness zone
5b
Explore more for Alberton, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Alberton, Mt (10.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.