Caledonia, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Caledonia, a city in Houston County, Minnesota.
This Afternoon
66°F
Rain Showers Likely
Rain showers likely. Cloudy. High near 66, with temperatures falling to around 62 in the afternoon. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Caledonia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Rain Showers Likely | 7 mph S | 63% |
| Tonight | 52°F | Rain Showers | 8 to 12 mph SE | 93% |
| Wednesday | 56°F | Rain Showers | 8 to 14 mph S | 85% |
| Wednesday Night | 45°F | Rain Showers | 14 mph W | 81% |
| Thursday | 49°F | Rain Showers | 13 mph NW | 75% |
| Thursday Night | 37°F | Mostly Cloudy | 8 to 13 mph N | 10% |
| Friday | 48°F | Partly Sunny | 3 to 8 mph N | 2% |
| Friday Night | 30°F | Partly Cloudy | 2 mph NW | 1% |
| Saturday | 52°F | Mostly Sunny | 1 to 5 mph SW | 0% |
| Saturday Night | 35°F | Partly Cloudy | 6 mph W | 7% |
| Sunday | 58°F | Sunny | 8 mph W | 11% |
| Sunday Night | 36°F | Mostly Clear | 6 mph W | 4% |
| Monday | 60°F | Mostly Sunny | 6 to 10 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 7 mph W | 1% |
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 Nov 4, 2026.