Blackfoot, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blackfoot, a community in Glacier County, Montana.
Overnight
38°F
Mostly Clear
Mostly clear. Low around 38, with temperatures rising to around 41 overnight. West wind around 5 mph.
7-day forecast for Blackfoot
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 38°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 74°F | Mostly Sunny | 2 to 6 mph SW | 1% |
| Tuesday Night | 46°F | Mostly Clear | 6 to 9 mph WSW | 1% |
| Wednesday | 81°F | Sunny | 9 mph WNW | 0% |
| Wednesday Night | 49°F | Mostly Clear | 8 to 12 mph WSW | 0% |
| Thursday | 88°F | Sunny | 9 to 14 mph WNW | 0% |
| Thursday Night | 51°F | Mostly Clear | 5 to 15 mph WSW | 0% |
| Friday | 91°F | Sunny | 3 to 23 mph W | 0% |
| Friday Night | 52°F | Mostly Clear | 12 to 23 mph W | 0% |
| Saturday | 86°F | Sunny | 5 to 20 mph W | 0% |
| Saturday Night | 51°F | Mostly Clear | 9 to 18 mph W | 0% |
| Sunday | 81°F | Mostly Sunny | 7 to 12 mph NW | 2% |
| Sunday Night | 49°F | Partly Cloudy | 6 to 15 mph N | 8% |
| Monday | 79°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 to 10 mph NE | 17% |
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 Aug 4, 2026.