Anaconda-Deer Lodge County, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Anaconda-Deer Lodge County, a community in Deer Lodge County, Montana.
This Afternoon
43°F
Showers And Thunderstorms
Showers and thunderstorms before 5pm, then a slight chance of showers and thunderstorms. Cloudy, with a high near 43. Northeast wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Anaconda-Deer Lodge County
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 43°F | Showers And Thunderstorms | 9 mph NE | 76% |
| Tonight | 35°F | Mostly Cloudy | 7 mph E | 13% |
| Sunday | 55°F | Mostly Sunny | 6 mph WNW | 1% |
| Sunday Night | 38°F | Mostly Clear | 5 to 8 mph W | 0% |
| Monday | 59°F | Sunny | 6 to 9 mph WSW | 1% |
| Monday Night | 41°F | Mostly Clear | 6 mph W | 0% |
| Tuesday | 59°F | Sunny | 8 mph SW | 2% |
| Tuesday Night | 41°F | Partly Cloudy | 7 mph W | 4% |
| Wednesday | 60°F | Sunny | 10 mph SW | 3% |
| Wednesday Night | 42°F | Mostly Clear | 7 to 12 mph SW | 2% |
| Thursday | 61°F | Sunny | 13 mph SSW | 3% |
| Thursday Night | 42°F | Partly Cloudy | 7 to 12 mph SSW | 4% |
| Friday | 60°F | Mostly Sunny | 13 mph SSW | 10% |
| Friday Night | 39°F | Slight Chance Light Rain then Mostly Cloudy | 10 mph WSW | 15% |
Forecast source: National Weather Service (api.weather.gov) for Anaconda-Deer Lodge County (46.095, -113.142). Updated through the day.
Growing snapshot for Anaconda-Deer Lodge County
Last spring frost
Jun 1
First fall frost
Sep 14
Growing season
105 days
Hardiness zone
5a
More local growing data for Anaconda-Deer Lodge County: nearby ZIP 59711 weather · frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Anaconda, Mt (10.3 mi from Anaconda-Deer Lodge County). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.