Harman US

Caledonia, WI Weather & Growing Conditions

This Afternoon
67°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Cloudy, with a high near 67. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 67°F Chance Showers And Thunderstorms 5 to 10 mph E 73%
Tonight 62°F Chance Showers And Thunderstorms then Showers And Thunderstorms 5 to 15 mph NE 88%
Sunday 64°F Chance Rain Showers then Mostly Cloudy 15 to 20 mph NE 63%
Sunday Night 55°F Mostly Cloudy 15 to 20 mph NE 3%
Monday 63°F Cloudy 15 to 20 mph E 6%
Monday Night 52°F Cloudy then Slight Chance Rain Showers 15 mph E 17%
Tuesday 62°F Slight Chance Rain Showers 15 mph NE 17%
Tuesday Night 53°F Mostly Cloudy 15 mph NE 10%
Wednesday 62°F Slight Chance Rain Showers 15 mph NE 17%
Wednesday Night 54°F Mostly Cloudy 10 to 15 mph NE 7%
Thursday 63°F Partly Sunny 10 mph NE 2%
Thursday Night 55°F Mostly Cloudy 5 to 10 mph NE 9%
Friday 65°F Mostly Cloudy 5 to 10 mph NE 6%
Friday Night 56°F Partly Cloudy 5 mph NE 4%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Caledonia, WI

Last spring frost
Apr 24
First fall frost
Oct 24
Growing season
180 days
Hardiness zone
6a

Explore more for Caledonia, WI: full frost dates · planting calendar · Wisconsin frost dates

Climate data from the nearest NOAA station, Racine Batten Ap, Wi (2.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.