Miller, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Miller, a community in Hancock County, Iowa.
Tonight
56°F
Slight Chance Rain Showers
A slight chance of rain showers. Cloudy. Low around 56, with temperatures rising to around 58 overnight. North northeast wind 8 to 12 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Miller
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Slight Chance Rain Showers | 8 to 12 mph NNE | 16% |
| Sunday | 66°F | Slight Chance Rain Showers | 12 to 16 mph NE | 23% |
| Sunday Night | 49°F | Chance Rain Showers | 12 mph ENE | 36% |
| Monday | 58°F | Rain Showers Likely | 12 mph ENE | 63% |
| Monday Night | 45°F | Rain Showers Likely | 5 to 9 mph NE | 63% |
| Tuesday | 60°F | Partly Sunny | 5 to 8 mph ENE | 8% |
| Tuesday Night | 43°F | Partly Cloudy | 2 to 6 mph E | 1% |
| Wednesday | 64°F | Mostly Sunny | 2 to 6 mph ESE | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 3 mph SE | 11% |
| Thursday | 66°F | Slight Chance Rain Showers | 2 to 7 mph SE | 23% |
| Thursday Night | 52°F | Slight Chance Rain Showers | 1 to 5 mph SE | 18% |
| Friday | 70°F | Slight Chance Rain Showers then Mostly Cloudy | 1 to 6 mph SE | 15% |
| Friday Night | 54°F | Mostly Cloudy | 3 mph SE | 12% |
| Saturday | 69°F | Chance Rain Showers | 3 to 10 mph SSE | 26% |
Forecast source: National Weather Service (api.weather.gov) for Miller (43.186, -93.608). Updated through the day.
Growing snapshot for Miller
Last spring frost
Apr 29
First fall frost
Oct 7
Growing season
161 days
Hardiness zone
5a
More local growing data for Miller: nearby ZIP 50438 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Britt 3E, Ia (6.4 mi from Miller). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.