Allerton, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Allerton, a city in Wayne County, Iowa.
Overnight
46°F
Slight Chance Rain Showers
A slight chance of rain showers after 5am. Cloudy, with a low around 46. West northwest wind 8 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
7-day forecast for Allerton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Slight Chance Rain Showers | 8 to 13 mph WNW | 15% |
| Wednesday | 52°F | Slight Chance Rain Showers then Cloudy | 13 to 17 mph W | 18% |
| Wednesday Night | 43°F | Mostly Cloudy | 10 mph W | 11% |
| Thursday | 53°F | Slight Chance Rain Showers | 8 to 12 mph WNW | 24% |
| Thursday Night | 41°F | Slight Chance Rain Showers then Mostly Cloudy | 8 mph NNW | 15% |
| Friday | 50°F | Partly Sunny | 3 to 8 mph N | 7% |
| Friday Night | 31°F | Partly Cloudy | 2 mph NNE | 2% |
| Saturday | 52°F | Mostly Sunny | 0 to 3 mph WSW | 1% |
| Saturday Night | 35°F | Mostly Clear | 3 mph WSW | 1% |
| Sunday | 59°F | Sunny | 6 mph W | 1% |
| Sunday Night | 37°F | Clear | 5 mph SW | 0% |
| Monday | 65°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 41°F | Clear | 5 mph W | 0% |
| Tuesday | 65°F | Sunny | 5 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.