Brookston, MN Weather & Growing Conditions
Today
72°F
Mostly Sunny
Mostly sunny, with a high near 72. West wind around 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Mostly Sunny | 10 mph W | 0% |
| Tonight | 49°F | Mostly Clear | 0 to 10 mph W | 0% |
| Wednesday | 75°F | Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 56°F | Partly Cloudy | 0 to 5 mph SW | 3% |
| Thursday | 81°F | Sunny | 5 to 15 mph SW | 9% |
| Thursday Night | 61°F | Mostly Clear | 5 to 10 mph SW | 5% |
| Friday | 83°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 20% |
| Friday Night | 57°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 31% |
| Saturday | 77°F | Slight Chance Showers And Thunderstorms | 5 mph NW | 22% |
| Saturday Night | 57°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 31% |
| Sunday | 76°F | Slight Chance Showers And Thunderstorms | 5 mph NW | 21% |
| Sunday Night | 56°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph N | 16% |
| Monday | 77°F | Slight Chance Rain Showers | 5 mph N | 19% |
| Monday Night | 56°F | Slight Chance Rain Showers | 0 to 5 mph N | 20% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Brookston, MN
Last spring frost
May 18
First fall frost
Oct 1
Growing season
135 days
Hardiness zone
4a
Explore more for Brookston, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Duluth Nws, Mn (12.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.