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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.

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

WhenTempForecastWindPrecip
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

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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.