Dunkerton, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dunkerton, a city in Black Hawk County, Iowa.
Tonight
65°F
Chance Showers And Thunderstorms then Patchy Fog
A chance of showers and thunderstorms before midnight, then patchy fog and showers and thunderstorms. Cloudy. Low around 65, with temperatures rising to around 67 overnight. Southeast wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Dunkerton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 65°F | Chance Showers And Thunderstorms then Patchy Fog | 10 to 15 mph SE | 78% |
| Saturday | 78°F | Patchy Fog | 9 mph SW | 65% |
| Saturday Night | 60°F | Chance Showers And Thunderstorms | 9 to 14 mph N | 41% |
| Sunday | 66°F | Chance Rain Showers | 17 mph NE | 48% |
| Sunday Night | 54°F | Slight Chance Rain Showers | 16 mph ENE | 24% |
| Monday | 62°F | Chance Rain Showers | 17 mph ENE | 53% |
| Monday Night | 49°F | Chance Rain Showers | 12 to 15 mph NE | 53% |
| Tuesday | 60°F | Chance Rain Showers | 12 mph ENE | 35% |
| Tuesday Night | 46°F | Partly Cloudy | 8 mph ENE | 3% |
| Wednesday | 64°F | Sunny | 7 mph ENE | 0% |
| Wednesday Night | 50°F | Partly Cloudy | 6 mph E | 3% |
| Thursday | 67°F | Mostly Sunny | 5 mph ESE | 10% |
| Thursday Night | 53°F | Partly Cloudy | 3 mph ESE | 7% |
| Friday | 68°F | Mostly Sunny | 6 mph ENE | 6% |
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 Sep 19, 2026.