Harman US

Deer Lodge, MT Weather & Growing Conditions

Overnight
46°F
Rain
Rain. Cloudy, with a low around 46. North wind around 6 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 46°F Rain 6 mph N 97%
Saturday 60°F Showers And Thunderstorms 6 mph N 97%
Saturday Night 40°F Mostly Cloudy then Patchy Fog 3 mph SW 11%
Sunday 70°F Patchy Fog then Mostly Sunny 3 mph WSW 1%
Sunday Night 41°F Mostly Clear 2 to 6 mph SSE 0%
Monday 75°F Sunny 5 mph SW 0%
Monday Night 43°F Mostly Clear 5 mph WSW 0%
Tuesday 75°F Sunny 3 mph SW 1%
Tuesday Night 44°F Partly Cloudy 3 mph SSW 3%
Wednesday 77°F Sunny 5 mph SSW 3%
Wednesday Night 44°F Mostly Clear 3 to 8 mph SSW 4%
Thursday 78°F Sunny 8 mph S 3%
Thursday Night 45°F Mostly Clear 6 to 13 mph SSE 4%
Friday 77°F Mostly Sunny 7 to 10 mph SSW 10%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Deer Lodge, MT

Growing season
65 days
Hardiness zone
4b

Explore more for Deer Lodge, MT: full frost dates · planting calendar · Montana frost dates

Climate data from the nearest NOAA station, Deer Lodge 3 W, Mt (3.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.