Cannon Falls, MN Weather & Growing Conditions
Overnight
57°F
Slight Chance Light Rain
A slight chance of rain. Cloudy, with a low around 57. East wind around 10 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Slight Chance Light Rain | 10 mph E | 21% |
| Saturday | 62°F | Chance Light Rain then Chance Drizzle | 5 to 10 mph NE | 37% |
| Saturday Night | 54°F | Mostly Cloudy | 5 mph NNE | 13% |
| Sunday | 66°F | Partly Sunny | 5 to 10 mph NE | 2% |
| Sunday Night | 47°F | Mostly Cloudy | 5 to 10 mph ENE | 2% |
| Monday | 63°F | Mostly Cloudy | 5 to 10 mph E | 5% |
| Monday Night | 43°F | Partly Cloudy | 5 mph ENE | 5% |
| Tuesday | 63°F | Mostly Sunny | 5 mph E | 3% |
| Tuesday Night | 41°F | Mostly Clear | 0 to 5 mph ESE | 1% |
| Wednesday | 65°F | Sunny | 5 mph ESE | 1% |
| Wednesday Night | 46°F | Mostly Clear | 0 to 5 mph SE | 5% |
| Thursday | 67°F | Mostly Sunny | 0 to 5 mph SE | 8% |
| Thursday Night | 49°F | Partly Cloudy | 0 to 5 mph SE | 4% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph SE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cannon Falls, MN
Last spring frost
Apr 23
First fall frost
Oct 14
Growing season
173 days
Hardiness zone
4b
Explore more for Cannon Falls, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Red Wing Dam 3, Mn (15.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.