Millerton, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Millerton, a city in Wayne County, Iowa.
Tonight
70°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 2am and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 9 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Millerton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 9 mph S | 26% |
| Saturday | 83°F | Chance Showers And Thunderstorms | 7 to 10 mph SW | 33% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 2 to 7 mph NNW | 76% |
| Sunday | 70°F | Showers And Thunderstorms Likely | 7 to 10 mph NNE | 64% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 10 mph NE | 64% |
| Monday | 61°F | Rain Showers Likely | 10 mph NE | 58% |
| Monday Night | 52°F | Chance Rain Showers | 9 mph NE | 50% |
| Tuesday | 59°F | Slight Chance Rain Showers then Mostly Cloudy | 9 mph NE | 16% |
| Tuesday Night | 47°F | Mostly Cloudy | 2 to 6 mph NE | 4% |
| Wednesday | 63°F | Mostly Sunny | 5 mph ENE | 2% |
| Wednesday Night | 51°F | Partly Cloudy | 2 mph E | 4% |
| Thursday | 65°F | Partly Sunny | 3 mph ESE | 11% |
| Thursday Night | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 1 mph E | 15% |
| Friday | 67°F | Slight Chance Rain Showers | 5 mph E | 15% |
Forecast source: National Weather Service (api.weather.gov) for Millerton (40.850, -93.307). Updated through the day.
Growing snapshot for Millerton
Last spring frost
Apr 21
First fall frost
Oct 19
Growing season
178 days
Hardiness zone
5b
More local growing data for Millerton: nearby ZIP 50165 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Allerton, Ia (10.7 mi from Millerton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.