Kalona, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kalona, a city in Johnson County, Iowa.
Overnight
63°F
Partly Cloudy
Partly cloudy. Low around 63, with temperatures rising to around 65 overnight. South wind around 5 mph.
7-day forecast for Kalona
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Partly Cloudy | 5 mph S | 0% |
| Tuesday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 22% |
| Tuesday Night | 66°F | Showers And Thunderstorms Likely | 5 to 10 mph N | 81% |
| Wednesday | 78°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph NE | 76% |
| Wednesday Night | 60°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph N | 55% |
| Thursday | 81°F | Chance Rain Showers then Mostly Sunny | 5 mph NE | 32% |
| Thursday Night | 61°F | Mostly Clear | 0 to 5 mph E | 3% |
| Friday | 84°F | Mostly Sunny | 0 to 5 mph SE | 5% |
| Friday Night | 66°F | Mostly Clear | 5 mph SE | 12% |
| Saturday | 87°F | Sunny | 5 mph S | 10% |
| Saturday Night | 71°F | Mostly Clear | 10 mph S | 11% |
| Sunday | 88°F | Mostly Sunny | 10 to 15 mph S | 11% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 33% |
| Monday | 88°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 10 to 15 mph S | 33% |
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 Aug 4, 2026.