Bloomfield, MT Weather & Growing Conditions
Tonight
27°F
Mostly Clear
Mostly clear, with a low around 27. West wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 27°F | Mostly Clear | 1 mph W | 0% |
| Wednesday | 52°F | Mostly Sunny | 0 to 6 mph NW | 0% |
| Wednesday Night | 27°F | Mostly Cloudy | 0 to 3 mph WSW | 0% |
| Thursday | 51°F | Mostly Sunny | 1 to 8 mph S | 0% |
| Thursday Night | 31°F | Partly Cloudy | 6 mph WSW | 0% |
| Friday | 53°F | Sunny | 6 to 12 mph WSW | 1% |
| Friday Night | 34°F | Partly Cloudy | 6 to 12 mph WSW | 4% |
| Saturday | 55°F | Sunny | 7 to 18 mph W | 4% |
| Saturday Night | 32°F | Mostly Clear | 7 mph SW | 0% |
| Sunday | 61°F | Mostly Sunny | 5 to 12 mph SW | 0% |
| Sunday Night | 38°F | Partly Cloudy | 9 to 13 mph W | 0% |
| Monday | 54°F | Sunny | 5 to 12 mph WNW | 0% |
| Monday Night | 33°F | Partly Cloudy | 5 mph WSW | 2% |
| Tuesday | 57°F | Mostly Sunny | 3 to 9 mph SW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Bloomfield, MT
Last spring frost
May 12
First fall frost
Sep 25
Growing season
135 days
Hardiness zone
4a
Explore more for Bloomfield, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Savage, Mt (24.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.