Millerton, IA Weather & Growing Conditions
Overnight
70°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. Low around 70, with temperatures rising to around 72 overnight. South southwest wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Chance Showers And Thunderstorms | 8 mph SSW | 27% |
| Saturday | 83°F | Chance Showers And Thunderstorms | 6 to 10 mph WSW | 36% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 2 to 7 mph NNW | 76% |
| Sunday | 68°F | Chance Rain Showers then Chance Showers And Thunderstorms | 7 to 10 mph NNE | 50% |
| Sunday Night | 58°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 mph NE | 65% |
| Monday | 60°F | Rain Showers Likely | 12 mph NE | 65% |
| Monday Night | 52°F | Chance Rain Showers | 7 to 10 mph NE | 45% |
| Tuesday | 59°F | Chance Rain Showers then Partly Sunny | 9 mph NE | 28% |
| Tuesday Night | 46°F | Partly Cloudy | 6 mph NE | 4% |
| Wednesday | 63°F | Sunny | 5 mph NE | 2% |
| Wednesday Night | 51°F | Partly Cloudy | 2 mph E | 5% |
| Thursday | 65°F | Partly Sunny | 3 mph ESE | 14% |
| Thursday Night | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph E | 15% |
| Friday | 68°F | Slight Chance Rain Showers then Partly Sunny | 5 mph E | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Millerton, IA
Last spring frost
Apr 21
First fall frost
Oct 19
Growing season
178 days
Hardiness zone
5b
Explore more for Millerton, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Allerton, Ia (10.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.