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Dunkerton, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Dunkerton, a city in Black Hawk County, Iowa.

This Afternoon
68°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 68, with temperatures falling to around 64 in the afternoon. South southeast wind around 13 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Dunkerton

WhenTempForecastWindPrecip
This Afternoon 68°F Showers And Thunderstorms 13 mph SSE 77%
Tonight 49°F Showers And Thunderstorms 12 mph SSE 75%
Wednesday 53°F Chance Rain Showers 13 to 18 mph WSW 45%
Wednesday Night 44°F Rain Showers Likely 16 mph WSW 66%
Thursday 51°F Rain Showers Likely 14 mph NW 72%
Thursday Night 39°F Slight Chance Rain Showers then Mostly Cloudy 13 mph N 15%
Friday 49°F Partly Sunny 6 to 12 mph N 2%
Friday Night 32°F Partly Cloudy 1 to 5 mph NNW 0%
Saturday 52°F Mostly Sunny 1 to 7 mph WSW 2%
Saturday Night 36°F Mostly Clear 6 mph W 4%
Sunday 58°F Sunny 6 to 10 mph WNW 9%
Sunday Night 37°F Mostly Clear 7 mph SW 1%
Monday 61°F Sunny 7 to 13 mph SW 0%
Monday Night 40°F Mostly Clear 8 mph WNW 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

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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.