Brookston, MN Weather & Growing Conditions
Tonight
51°F
Mostly Cloudy
Mostly cloudy. Low around 51, with temperatures rising to around 53 overnight. North wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Mostly Cloudy | 0 to 5 mph N | 13% |
| Sunday | 61°F | Partly Sunny | 5 to 10 mph NE | 2% |
| Sunday Night | 42°F | Mostly Cloudy | 5 to 10 mph E | 1% |
| Monday | 58°F | Partly Sunny | 5 to 10 mph E | 1% |
| Monday Night | 37°F | Partly Cloudy | 5 mph E | 0% |
| Tuesday | 61°F | Patchy Frost then Sunny | 5 mph E | 0% |
| Tuesday Night | 40°F | Mostly Clear | 0 to 5 mph E | 0% |
| Wednesday | 64°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 43°F | Mostly Clear | 5 mph SE | 3% |
| Thursday | 65°F | Partly Sunny then Slight Chance Rain Showers | 5 mph SE | 18% |
| Thursday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph SE | 18% |
| Friday | 69°F | Partly Sunny | 0 to 5 mph SE | 4% |
| Friday Night | 50°F | Partly Cloudy | 0 to 5 mph SE | 6% |
| Saturday | 69°F | Partly Sunny then Slight Chance Rain Showers | 5 to 10 mph S | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Brookston, MN
Last spring frost
May 26
First fall frost
Sep 23
Growing season
118 days
Hardiness zone
4a
Explore more for Brookston, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Cloquet, Mn (11.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.