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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

WhenTempForecastWindPrecip
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

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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.