Cannon Falls, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cannon Falls, a city in Goodhue County, Minnesota.
Tonight
51°F
Light Rain
Rain and areas of fog. Cloudy, with a low around 51. Northwest wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Cannon Falls
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Light Rain | 5 mph NW | 89% |
| Wednesday | 55°F | Light Rain | 5 to 10 mph W | 95% |
| Wednesday Night | 43°F | Light Rain | 10 mph WNW | 95% |
| Thursday | 49°F | Light Rain Likely | 10 mph N | 62% |
| Thursday Night | 33°F | Mostly Cloudy | 5 to 10 mph NNE | 5% |
| Friday | 47°F | Partly Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 29°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 53°F | Mostly Sunny | 0 to 5 mph SW | 1% |
| Saturday Night | 34°F | Partly Cloudy | 5 mph WSW | 9% |
| Sunday | 57°F | Mostly Sunny | 5 mph W | 9% |
| Sunday Night | 35°F | Mostly Clear | 5 mph SW | 2% |
| Monday | 60°F | Mostly Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 37°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 56°F | Mostly Sunny | 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Cannon Falls (44.517, -92.889). Updated through the day.
Growing snapshot for Cannon Falls
Last spring frost
Apr 23
First fall frost
Oct 14
Growing season
173 days
Hardiness zone
4b
More local growing data for Cannon Falls: nearby ZIP 55009 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Red Wing Dam 3, Mn (15.7 mi from Cannon Falls). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.