Dillon, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dillon, a city in Beaverhead County, Montana.
Today
77°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 77. Northeast wind 2 to 7 mph.
7-day forecast for Dillon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Areas Of Smoke | 2 to 7 mph NE | 0% |
| Tonight | 45°F | Areas Of Smoke | 3 to 8 mph W | 0% |
| Wednesday | 84°F | Patchy Smoke | 5 mph WSW | 0% |
| Wednesday Night | 48°F | Areas Of Smoke then Mostly Clear | 3 to 7 mph W | 0% |
| Thursday | 92°F | Sunny | 2 to 8 mph SW | 0% |
| Thursday Night | 52°F | Mostly Clear | 5 to 10 mph W | 0% |
| Friday | 95°F | Sunny | 3 to 16 mph SW | 0% |
| Friday Night | 54°F | Mostly Clear | 7 to 16 mph W | 0% |
| Saturday | 93°F | Sunny | 3 to 16 mph SW | 0% |
| Saturday Night | 54°F | Mostly Clear | 6 to 13 mph W | 0% |
| Sunday | 91°F | Sunny | 2 to 9 mph WSW | 2% |
| Sunday Night | 52°F | Mostly Clear | 5 to 13 mph NW | 2% |
| Monday | 90°F | Sunny | 2 to 7 mph WSW | 2% |
| Monday Night | 52°F | Partly Cloudy | 5 to 10 mph NNW | 4% |
Forecast source: National Weather Service (api.weather.gov) for Dillon (45.218, -112.635). Updated through the day.
Growing snapshot for Dillon
Growing season
72 days
Hardiness zone
5a
More local growing data for Dillon: nearby ZIP 59725 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Dillon 18 Wsw, Mt (10.2 mi from Dillon). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.