Harman US

Kalona, IA Weather & Growing Conditions

Overnight
68°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4am, then patchy fog and a chance of showers and thunderstorms. Mostly cloudy. Low around 68, with temperatures rising to around 70 overnight. Southeast wind 5 to 10 mph. Chance of precipitation is 50%.

7-day forecast

WhenTempForecastWindPrecip
Overnight 68°F Chance Showers And Thunderstorms 5 to 10 mph SE 45%
Saturday 82°F Patchy Fog 5 to 10 mph S 65%
Saturday Night 64°F Chance Showers And Thunderstorms then Showers And Thunderstorms 5 to 10 mph NW 87%
Sunday 69°F Showers And Thunderstorms Likely 10 to 15 mph NE 71%
Sunday Night 58°F Rain Showers Likely 15 mph NE 59%
Monday 63°F Rain Showers Likely 15 mph NE 59%
Monday Night 52°F Chance Rain Showers 10 to 15 mph NE 42%
Tuesday 61°F Chance Rain Showers 10 to 15 mph NE 28%
Tuesday Night 47°F Partly Cloudy 5 to 10 mph NE 5%
Wednesday 66°F Sunny 5 to 10 mph NE 0%
Wednesday Night 51°F Partly Cloudy 5 mph NE 1%
Thursday 67°F Partly Sunny 5 mph NE 6%
Thursday Night 55°F Partly Cloudy 0 to 5 mph NE 5%
Friday 70°F Mostly Sunny 0 to 5 mph E 6%

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 Sep 19, 2026.