Caledonia, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Caledonia, a city in Houston County, Minnesota.
Overnight
57°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 57. Southeast wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Caledonia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Showers And Thunderstorms | 13 mph SE | 100% |
| Saturday | 67°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 to 12 mph E | 78% |
| Saturday Night | 54°F | Chance Showers And Thunderstorms | 8 to 12 mph N | 37% |
| Sunday | 68°F | Partly Sunny | 14 mph NE | 6% |
| Sunday Night | 48°F | Mostly Cloudy | 8 to 12 mph NE | 7% |
| Monday | 62°F | Slight Chance Rain Showers | 9 mph NE | 16% |
| Monday Night | 44°F | Mostly Cloudy | 7 mph NE | 12% |
| Tuesday | 61°F | Mostly Sunny | 7 mph NE | 7% |
| Tuesday Night | 41°F | Mostly Clear | 5 mph E | 2% |
| Wednesday | 65°F | Sunny | 5 mph NE | 1% |
| Wednesday Night | 46°F | Mostly Clear | 3 mph E | 2% |
| Thursday | 67°F | Mostly Sunny | 3 mph E | 6% |
| Thursday Night | 48°F | Partly Cloudy | 1 mph E | 3% |
| Friday | 70°F | Mostly Sunny | 3 mph E | 4% |
Forecast source: National Weather Service (api.weather.gov) for Caledonia (43.634, -91.500). Updated through the day.
Growing snapshot for Caledonia
Last spring frost
Apr 29
First fall frost
Oct 10
Growing season
165 days
Hardiness zone
5a
More local growing data for Caledonia: nearby ZIP 55921 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Caledonia, Mn (1.5 mi from Caledonia). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.