Brimley, MI Weather & Growing Conditions
Tonight
41°F
Mostly Cloudy
Mostly cloudy. Low around 41, with temperatures rising to around 43 overnight. Northeast wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 41°F | Mostly Cloudy | 0 mph | 6% |
| Sunday | 65°F | Mostly Sunny | 0 to 10 mph N | 6% |
| Sunday Night | 38°F | Partly Cloudy | 5 to 10 mph NE | 0% |
| Monday | 60°F | Partly Sunny | 5 mph NE | 0% |
| Monday Night | 37°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Tuesday | 65°F | Sunny | 5 mph E | 0% |
| Tuesday Night | 39°F | Mostly Clear | 0 to 5 mph E | 0% |
| Wednesday | 68°F | Sunny | 5 to 10 mph E | 4% |
| Wednesday Night | 40°F | Mostly Clear | 0 to 5 mph E | 4% |
| Thursday | 70°F | Mostly Sunny | 5 mph SE | 2% |
| Thursday Night | 41°F | Partly Cloudy | 0 to 5 mph SE | 1% |
| Friday | 73°F | Mostly Sunny | 0 to 5 mph NE | 1% |
| Friday Night | 42°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Saturday | 74°F | Mostly Sunny | 0 to 5 mph N | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Brimley, MI
Last spring frost
May 21
First fall frost
Oct 1
Growing season
131 days
Hardiness zone
5a
Explore more for Brimley, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Trout Lake 1Sw, Mi (14.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.