Dell, MT Weather & Growing Conditions
This Afternoon
36°F
Partly Sunny
Partly sunny. High near 36, with temperatures falling to around 32 in the afternoon. South wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 36°F | Partly Sunny | 6 mph S | 0% |
| Tonight | 27°F | Mostly Cloudy | 1 to 6 mph WSW | 0% |
| Wednesday | 39°F | Mostly Sunny | 3 mph NW | 0% |
| Wednesday Night | 25°F | Mostly Clear | 3 to 9 mph SSW | 0% |
| Thursday | 34°F | Partly Sunny | 6 to 9 mph S | 8% |
| Thursday Night | 24°F | Partly Cloudy | 7 mph SSW | 8% |
| Friday | 35°F | Mostly Sunny | 5 to 8 mph S | 6% |
| Friday Night | 25°F | Partly Cloudy | 7 mph S | 6% |
| Saturday | 39°F | Mostly Sunny | 5 mph S | 0% |
| Saturday Night | 26°F | Partly Cloudy | 3 to 10 mph S | 0% |
| Sunday | 40°F | Mostly Sunny | 10 mph S | 0% |
| Sunday Night | 28°F | Partly Cloudy | 8 mph S | 0% |
| Monday | 41°F | Partly Sunny | 5 to 8 mph S | 1% |
| Monday Night | 30°F | Mostly Cloudy | 8 mph S | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dell, MT
Last spring frost
Jun 11
First fall frost
Sep 10
Growing season
89 days
Hardiness zone
5a
Explore more for Dell, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Lima, Mt (10.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.