Brockway, MT Weather & Growing Conditions
Today
51°F
Mostly Sunny
Mostly sunny. High near 51, with temperatures falling to around 43 in the afternoon. Northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 51°F | Mostly Sunny | 5 mph NW | 0% |
| Tonight | 29°F | Mostly Cloudy | 0 to 5 mph NW | 0% |
| Thursday | 53°F | Mostly Sunny | 5 to 9 mph S | 0% |
| Thursday Night | 33°F | Partly Cloudy | 5 mph W | 2% |
| Friday | 54°F | Sunny | 5 to 12 mph WSW | 0% |
| Friday Night | 36°F | Mostly Clear | 6 to 10 mph SW | 0% |
| Saturday | 57°F | Sunny | 3 to 14 mph W | 0% |
| Saturday Night | 34°F | Mostly Clear | 3 to 8 mph SSW | 0% |
| Sunday | 64°F | Mostly Sunny | 8 to 15 mph SW | 0% |
| Sunday Night | 38°F | Partly Cloudy | 5 to 8 mph WNW | 1% |
| Monday | 57°F | Sunny | 7 mph WNW | 1% |
| Monday Night | 35°F | Partly Cloudy | 5 mph SSW | 1% |
| Tuesday | 59°F | Mostly Sunny | 5 to 10 mph SSW | 1% |
| Tuesday Night | 38°F | Partly Cloudy | 6 mph WSW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Brockway, MT
Last spring frost
May 15
First fall frost
Sep 25
Growing season
132 days
Hardiness zone
4a
Explore more for Brockway, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Rock Springs, Mt (15 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.