Dunkerton, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dunkerton, a city in Black Hawk County, Iowa.
Overnight
49°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy. Low around 49, with temperatures rising to around 52 overnight. South southwest wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Dunkerton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Chance Rain Showers | 10 to 14 mph SSW | 31% |
| Wednesday | 53°F | Chance Rain Showers | 15 to 18 mph WSW | 36% |
| Wednesday Night | 44°F | Chance Rain Showers | 17 mph W | 47% |
| Thursday | 52°F | Chance Rain Showers | 15 mph NW | 34% |
| Thursday Night | 37°F | Mostly Cloudy | 13 mph N | 9% |
| Friday | 47°F | Mostly Sunny | 6 to 10 mph N | 3% |
| Friday Night | 29°F | Mostly Clear | 1 to 5 mph N | 0% |
| Saturday | 50°F | Sunny | 1 to 7 mph WNW | 1% |
| Saturday Night | 35°F | Mostly Clear | 6 mph W | 1% |
| Sunday | 55°F | Sunny | 6 to 9 mph W | 3% |
| Sunday Night | 36°F | Clear | 6 mph SW | 0% |
| Monday | 61°F | Sunny | 5 to 12 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 to 8 mph W | 0% |
| Tuesday | 59°F | Sunny | 6 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Dunkerton (42.568, -92.160). Updated through the day.
Growing snapshot for Dunkerton
Last spring frost
Apr 27
First fall frost
Oct 10
Growing season
165 days
Hardiness zone
5a
More local growing data for Dunkerton: nearby ZIP 50626 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Cedar Falls
Elk Run Heights
Evansdale
Gilbertville
Hudson
Jesup
La Porte City
Raymond
Washburn
Waterloo
Climate data from the nearest NOAA station, Waterloo Muni Ap, Ia (11.9 mi from Dunkerton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.