Blackfoot, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blackfoot, a community in Glacier County, Montana.
Tonight
28°F
Mostly Cloudy
Mostly cloudy, with a low around 28. West wind 5 to 9 mph.
7-day forecast for Blackfoot
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 28°F | Mostly Cloudy | 5 to 9 mph W | 0% |
| Wednesday | 51°F | Mostly Sunny | 5 mph WNW | 0% |
| Wednesday Night | 30°F | Mostly Clear | 5 to 9 mph SW | 0% |
| Thursday | 48°F | Mostly Sunny | 9 to 21 mph WSW | 0% |
| Thursday Night | 34°F | Partly Cloudy | 17 to 21 mph WSW | 0% |
| Friday | 47°F | Mostly Sunny | 17 to 30 mph WSW | 10% |
| Friday Night | 35°F | Mostly Cloudy | 18 to 35 mph WSW | 10% |
| Saturday | 50°F | Mostly Sunny | 10 to 18 mph WSW | 0% |
| Saturday Night | 37°F | Mostly Cloudy | 12 mph SW | 2% |
| Sunday | 58°F | Partly Sunny | 10 to 24 mph SW | 11% |
| Sunday Night | 35°F | Mostly Cloudy | 7 to 18 mph WSW | 10% |
| Monday | 51°F | Partly Sunny | 6 to 10 mph SW | 4% |
| Monday Night | 36°F | Mostly Cloudy | 10 mph SSW | 4% |
| Tuesday | 54°F | Partly Sunny | 10 to 20 mph SW | 9% |
Forecast source: National Weather Service (api.weather.gov) for Blackfoot (48.577, -112.873). Updated through the day.
Growing snapshot for Blackfoot
Last spring frost
Jun 8
First fall frost
Sep 5
Growing season
88 days
Hardiness zone
4a
More local growing data for Blackfoot: nearby ZIP 59417 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Babb
Big Sky Colony
Browning
East Glacier Park Village
Glendale Colony
Hidden Lake Colony
North Browning
Seville Colony
South Browning
St. Mary
Starr School
Zenith Colony
Climate data from the nearest NOAA station, E Glacier, Mt (12.5 mi from Blackfoot). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.