Kalona, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kalona, a city in Johnson County, Iowa.
Overnight
50°F
Mostly Cloudy
Mostly cloudy. Low around 50, with temperatures rising to around 52 overnight. Southwest wind around 15 mph.
7-day forecast for Kalona
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Cloudy | 15 mph SW | 10% |
| Wednesday | 52°F | Slight Chance Rain Showers then Mostly Cloudy | 15 to 20 mph W | 20% |
| Wednesday Night | 45°F | Mostly Cloudy | 15 mph W | 12% |
| Thursday | 54°F | Rain Showers Likely | 10 to 15 mph W | 74% |
| Thursday Night | 41°F | Mostly Cloudy | 10 mph N | 12% |
| Friday | 49°F | Mostly Sunny | 5 to 10 mph N | 4% |
| Friday Night | 30°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 34°F | Mostly Clear | 0 to 5 mph W | 1% |
| Sunday | 56°F | Sunny | 5 to 10 mph W | 2% |
| Sunday Night | 36°F | Clear | 0 to 5 mph SW | 0% |
| Monday | 63°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 63°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Kalona (41.487, -91.702). Updated through the day.
Growing snapshot for Kalona
Last spring frost
Apr 21
First fall frost
Oct 18
Growing season
180 days
Hardiness zone
5b
More local growing data for Kalona: nearby ZIP 52247 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Coralville
Frytown
Hills
Iowa City
Lone Tree
North Liberty
Oxford
Shueyville
Solon
Swisher
Tiffin
University Heights
Climate data from the nearest NOAA station, Iowa City Muni Ap, Ia (12.2 mi from Kalona). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.