Caledonia, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Caledonia, a city in Houston County, Minnesota.
Today
77°F
Mostly Cloudy then Scattered Showers And Thunderstorms
Scattered rain showers between 2pm and 5pm, then scattered showers and thunderstorms. Mostly cloudy. High near 77, with temperatures falling to around 75 in the afternoon. Northwest wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Caledonia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Mostly Cloudy then Scattered Showers And Thunderstorms | 5 to 8 mph NW | 39% |
| Tonight | 58°F | Scattered Showers And Thunderstorms | 5 mph NW | 47% |
| Wednesday | 76°F | Mostly Sunny | 5 mph NW | 5% |
| Wednesday Night | 53°F | Mostly Clear | 3 mph NW | 0% |
| Thursday | 80°F | Sunny | 5 mph SW | 0% |
| Thursday Night | 58°F | Mostly Clear | 5 mph S | 0% |
| Friday | 83°F | Sunny | 5 to 9 mph S | 6% |
| Friday Night | 63°F | Mostly Clear | 8 mph SW | 13% |
| Saturday | 84°F | Mostly Sunny | 7 mph SW | 13% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms | 8 mph SW | 37% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 9 mph SW | 37% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 6 mph SE | 39% |
| Monday | 83°F | Chance Rain Showers | 6 mph SE | 39% |
| Monday Night | 65°F | Chance Rain Showers | 6 mph NE | 29% |
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 Aug 4, 2026.