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
66°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. Low around 66, with temperatures rising to around 70 overnight. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Cannon Falls
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Showers And Thunderstorms | 5 mph SW | 83% |
| Tuesday | 76°F | Showers And Thunderstorms Likely then Mostly Cloudy | 10 mph WNW | 67% |
| Tuesday Night | 55°F | Partly Cloudy | 0 to 10 mph W | 12% |
| Wednesday | 76°F | Sunny | 0 to 5 mph W | 0% |
| Wednesday Night | 56°F | Mostly Clear | 5 mph SW | 0% |
| Thursday | 81°F | Sunny | 5 to 10 mph SSW | 0% |
| Thursday Night | 62°F | Mostly Clear | 5 to 10 mph SSW | 5% |
| Friday | 83°F | Sunny | 5 to 10 mph SSW | 10% |
| Friday Night | 64°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 22% |
| Saturday | 84°F | Sunny | 5 to 10 mph SSW | 13% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 5 mph SW | 47% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 47% |
| Sunday Night | 64°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 0 to 10 mph NNE | 23% |
| Monday | 83°F | Slight Chance Showers And Thunderstorms | 5 mph NE | 23% |
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 Aug 4, 2026.