Miller, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Miller, a community in Hancock County, Iowa.
Today
49°F
Chance Rain Showers
A chance of rain showers. Cloudy. High near 49, with temperatures falling to around 47 in the afternoon. West wind 12 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Miller
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 49°F | Chance Rain Showers | 12 to 16 mph W | 52% |
| Tonight | 41°F | Rain Showers Likely | 10 to 14 mph WNW | 56% |
| Thursday | 49°F | Chance Rain Showers then Cloudy | 12 to 16 mph NNW | 36% |
| Thursday Night | 32°F | Mostly Cloudy | 3 to 10 mph N | 12% |
| Friday | 46°F | Mostly Sunny | 5 mph NNE | 3% |
| Friday Night | 26°F | Partly Cloudy | 1 mph NNW | 1% |
| Saturday | 49°F | Mostly Sunny | 1 to 6 mph SW | 1% |
| Saturday Night | 32°F | Mostly Clear | 3 mph W | 2% |
| Sunday | 55°F | Sunny | 3 to 7 mph W | 1% |
| Sunday Night | 34°F | Mostly Clear | 5 mph SW | 0% |
| Monday | 61°F | Sunny | 6 to 12 mph WSW | 0% |
| Monday Night | 36°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 58°F | Mostly Sunny | 5 mph NW | 0% |
| Tuesday Night | 38°F | Partly Cloudy | 2 mph W | 0% |
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 Nov 4, 2026.