Coleraine, MN Weather & Growing Conditions
Tonight
47°F
Light Rain
Rain. Cloudy. Low around 47, with temperatures rising to around 49 overnight. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Light Rain | 10 to 15 mph N | 88% |
| Wednesday | 49°F | Light Rain | 15 mph N | 94% |
| Wednesday Night | 36°F | Light Rain | 15 mph N | 76% |
| Thursday | 41°F | Mostly Cloudy | 10 to 15 mph N | 4% |
| Thursday Night | 25°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Friday | 41°F | Mostly Sunny | 0 mph | 0% |
| Friday Night | 25°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Saturday | 49°F | Mostly Sunny | 5 to 10 mph SW | 4% |
| Saturday Night | 32°F | Partly Cloudy | 5 mph W | 13% |
| Sunday | 51°F | Mostly Sunny | 5 to 10 mph W | 9% |
| Sunday Night | 32°F | Partly Cloudy | 5 mph SW | 1% |
| Monday | 53°F | Partly Sunny | 5 to 15 mph SW | 2% |
| Monday Night | 33°F | Mostly Clear | 5 to 10 mph W | 0% |
| Tuesday | 48°F | Mostly Sunny | 5 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Coleraine, MN
Last spring frost
May 17
First fall frost
Sep 24
Growing season
130 days
Hardiness zone
4a
Explore more for Coleraine, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Grand Rpds Forest Lab, Mn (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.