Allerton, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Allerton, a city in Wayne County, Iowa.
Tonight
47°F
Chance Rain Showers
A chance of rain showers before 1am. Cloudy, with a low around 47. West wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Allerton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Chance Rain Showers | 13 mph W | 27% |
| Wednesday | 53°F | Mostly Cloudy | 13 to 17 mph W | 11% |
| Wednesday Night | 42°F | Mostly Cloudy | 10 mph WSW | 3% |
| Thursday | 53°F | Mostly Cloudy then Chance Rain Showers | 8 to 12 mph WNW | 29% |
| Thursday Night | 41°F | Slight Chance Rain Showers then Mostly Cloudy | 8 mph NNW | 16% |
| Friday | 52°F | Partly Sunny | 3 to 9 mph N | 6% |
| Friday Night | 35°F | Mostly Cloudy | 2 mph NNW | 0% |
| Saturday | 55°F | Partly Sunny | 1 to 5 mph WSW | 2% |
| Saturday Night | 37°F | Mostly Clear | 1 to 5 mph W | 5% |
| Sunday | 61°F | Sunny | 6 mph W | 3% |
| Sunday Night | 39°F | Mostly Clear | 6 mph SW | 0% |
| Monday | 65°F | Sunny | 6 to 13 mph SW | 0% |
| Monday Night | 42°F | Mostly Clear | 6 mph WNW | 0% |
| Tuesday | 65°F | Sunny | 6 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Allerton (40.708, -93.369). Updated through the day.
Growing snapshot for Allerton
Last spring frost
Apr 21
First fall frost
Oct 19
Growing season
178 days
Hardiness zone
5b
More local growing data for Allerton: nearby ZIP 50008 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Allerton, Ia (2.3 mi from Allerton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.