Cannon Falls, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cannon Falls, a city in Goodhue County, Minnesota.
Overnight
51°F
Light Rain Likely
Rain likely and patchy fog. Mostly cloudy, with a low around 51. West northwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Cannon Falls
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Light Rain Likely | 5 mph WNW | 73% |
| Wednesday | 55°F | Light Rain | 5 to 10 mph W | 95% |
| Wednesday Night | 43°F | Light Rain then Drizzle | 10 mph WNW | 95% |
| Thursday | 50°F | Chance Drizzle then Mostly Cloudy | 10 mph NNW | 31% |
| Thursday Night | 32°F | Mostly Cloudy | 0 to 10 mph N | 1% |
| Friday | 46°F | Mostly Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 27°F | Mostly Clear | 0 mph | 0% |
| Saturday | 50°F | Sunny | 0 to 5 mph WSW | 2% |
| Saturday Night | 34°F | Mostly Clear | 5 mph WSW | 2% |
| Sunday | 55°F | Sunny | 5 mph W | 4% |
| Sunday Night | 35°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Monday | 60°F | Mostly Sunny | 5 to 10 mph WSW | 1% |
| Monday Night | 37°F | Mostly Clear | 0 to 5 mph W | 0% |
| Tuesday | 56°F | Sunny | 0 to 5 mph WNW | 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.