Brockway, MT Weather & Growing Conditions
Tonight
51°F
Patchy Fog
Showers and thunderstorms likely before 10pm, then patchy fog and showers and thunderstorms. Cloudy, with a low around 51. East northeast wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Patchy Fog | 13 mph ENE | 94% |
| Sunday | 61°F | Rain Showers then Areas Of Smoke | 13 mph E | 77% |
| Sunday Night | 48°F | Mostly Cloudy | 6 to 9 mph ESE | 5% |
| Monday | 68°F | Mostly Sunny | 7 to 13 mph SSE | 2% |
| Monday Night | 50°F | Mostly Clear | 14 mph SE | 0% |
| Tuesday | 75°F | Sunny | 14 mph SSE | 0% |
| Tuesday Night | 53°F | Mostly Clear | 7 to 12 mph SSE | 1% |
| Wednesday | 77°F | Mostly Sunny | 6 mph SSE | 9% |
| Wednesday Night | 54°F | Partly Cloudy | 5 mph SSE | 5% |
| Thursday | 80°F | Sunny | 7 mph SW | 1% |
| Thursday Night | 57°F | Mostly Clear | 6 to 14 mph ESE | 2% |
| Friday | 80°F | Mostly Sunny | 14 to 18 mph SSE | 1% |
| Friday Night | 54°F | Partly Cloudy | 14 mph SSE | 6% |
| Saturday | 71°F | Mostly Sunny | 14 mph W | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Brockway, MT
Last spring frost
May 20
First fall frost
Sep 19
Growing season
121 days
Hardiness zone
4a
Explore more for Brockway, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Brockway 3 Wsw, Mt (9.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.