Caledonia, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Caledonia, a city in Houston County, Minnesota.
This Afternoon
65°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms. Cloudy. High near 65, with temperatures falling to around 62 in the afternoon. Northeast wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Caledonia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Chance Showers And Thunderstorms | 6 mph NE | 50% |
| Tonight | 55°F | Chance Showers And Thunderstorms | 6 to 9 mph NE | 52% |
| Sunday | 68°F | Partly Sunny | 12 mph NE | 12% |
| Sunday Night | 49°F | Mostly Cloudy | 9 mph NE | 6% |
| Monday | 61°F | Chance Rain Showers | 9 mph NE | 42% |
| Monday Night | 45°F | Chance Rain Showers | 7 mph NE | 42% |
| Tuesday | 61°F | Partly Sunny | 8 mph NE | 9% |
| Tuesday Night | 43°F | Partly Cloudy | 5 mph NE | 3% |
| Wednesday | 65°F | Mostly Sunny | 5 mph NE | 1% |
| Wednesday Night | 48°F | Partly Cloudy | 3 mph E | 2% |
| Thursday | 67°F | Slight Chance Rain Showers | 3 mph E | 15% |
| Thursday Night | 52°F | Slight Chance Rain Showers then Mostly Cloudy | 1 mph SE | 15% |
| Friday | 70°F | Partly Sunny | 2 mph E | 6% |
| Friday Night | 53°F | Partly Cloudy | 2 mph SE | 3% |
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.