Alberton, MT Weather & Growing Conditions
This Afternoon
73°F
Partly Sunny
Partly sunny, with a high near 73. North northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Partly Sunny | 5 mph NNW | 9% |
| Tonight | 48°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 2 mph NE | 19% |
| Saturday | 72°F | Mostly Sunny | 2 mph SE | 11% |
| Saturday Night | 45°F | Partly Cloudy | 1 mph SSE | 3% |
| Sunday | 77°F | Sunny | 1 mph SSE | 0% |
| Sunday Night | 48°F | Clear | 1 mph NNE | 0% |
| Monday | 78°F | Sunny | 2 mph SSW | 0% |
| Monday Night | 49°F | Mostly Clear | 1 mph W | 0% |
| Tuesday | 76°F | Sunny | 2 mph W | 0% |
| Tuesday Night | 48°F | Partly Cloudy | 1 mph SW | 1% |
| Wednesday | 74°F | Sunny | 0 to 5 mph SSW | 2% |
| Wednesday Night | 47°F | Partly Cloudy | 2 mph SW | 3% |
| Thursday | 77°F | Sunny | 0 to 3 mph SSE | 2% |
| Thursday Night | 48°F | Partly Cloudy | 2 mph SE | 1% |
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 Sep 19, 2026.