Blackfoot, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blackfoot, a community in Glacier County, Montana.
This Afternoon
68°F
Mostly Sunny
Mostly sunny, with a high near 68. Northeast wind around 8 mph.
7-day forecast for Blackfoot
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Mostly Sunny | 8 mph NE | 4% |
| Tonight | 46°F | Mostly Cloudy | 3 to 9 mph NNW | 2% |
| Saturday | 66°F | Mostly Sunny | 2 to 13 mph N | 3% |
| Saturday Night | 44°F | Partly Cloudy | 3 to 13 mph S | 0% |
| Sunday | 73°F | Sunny | 6 mph SSW | 0% |
| Sunday Night | 45°F | Mostly Clear | 5 to 9 mph SSW | 0% |
| Monday | 74°F | Sunny | 6 to 10 mph SW | 0% |
| Monday Night | 47°F | Mostly Clear | 10 mph WSW | 0% |
| Tuesday | 71°F | Mostly Sunny | 8 mph W | 0% |
| Tuesday Night | 46°F | Partly Cloudy | 8 mph SW | 0% |
| Wednesday | 70°F | Mostly Sunny | 7 to 14 mph WSW | 0% |
| Wednesday Night | 46°F | Partly Cloudy | 6 to 10 mph WSW | 1% |
| Thursday | 72°F | Mostly Sunny | 8 mph SSW | 3% |
| Thursday Night | 47°F | Partly Cloudy | 5 to 8 mph SSW | 3% |
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 Sep 18, 2026.