Harman US

Kalona, IA Weather & Growing Conditions

Today
86°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 3pm. Mostly sunny. High near 86, with temperatures falling to around 84 in the afternoon. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.

7-day forecast

WhenTempForecastWindPrecip
Today 86°F Mostly Sunny then Chance Showers And Thunderstorms 5 to 10 mph SW 35%
Tonight 65°F Showers And Thunderstorms Likely 5 to 10 mph N 85%
Wednesday 77°F Showers And Thunderstorms 5 mph N 80%
Wednesday Night 60°F Chance Showers And Thunderstorms 5 mph N 54%
Thursday 81°F Chance Rain Showers then Mostly Sunny 5 mph NE 31%
Thursday Night 61°F Mostly Clear 0 to 5 mph E 3%
Friday 83°F Mostly Sunny 0 to 5 mph SE 5%
Friday Night 65°F Mostly Clear 5 mph S 12%
Saturday 86°F Sunny 5 mph S 10%
Saturday Night 71°F Mostly Clear 10 mph S 12%
Sunday 88°F Mostly Sunny 10 to 15 mph S 12%
Sunday Night 70°F Slight Chance Showers And Thunderstorms 10 mph S 34%
Monday 87°F Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 10 to 15 mph S 34%
Monday Night 71°F Slight Chance Showers And Thunderstorms 10 to 15 mph S 32%

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

Growing snapshot for Kalona, IA

Last spring frost
Apr 21
First fall frost
Oct 18
Growing season
180 days
Hardiness zone
5b

Explore more for Kalona, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, Iowa City Muni Ap, Ia (12.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.