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Allerton, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Allerton, a city in Wayne County, Iowa.

Today
83°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms between 10am and 2pm, then a slight chance of showers and thunderstorms. Partly sunny. High near 83, with temperatures falling to around 81 in the afternoon. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Allerton

WhenTempForecastWindPrecip
Today 83°F Chance Showers And Thunderstorms 5 to 10 mph SW 33%
Tonight 64°F Chance Showers And Thunderstorms then Showers And Thunderstorms 2 to 6 mph NNW 75%
Sunday 68°F Chance Rain Showers then Chance Showers And Thunderstorms 7 to 12 mph NNE 53%
Sunday Night 58°F Showers And Thunderstorms Likely 12 mph NE 66%
Monday 60°F Rain Showers Likely 13 mph NE 66%
Monday Night 52°F Chance Rain Showers 7 to 10 mph NE 36%
Tuesday 59°F Slight Chance Rain Showers then Partly Sunny 9 mph NE 15%
Tuesday Night 46°F Partly Cloudy 6 mph NE 4%
Wednesday 62°F Sunny 5 mph NE 2%
Wednesday Night 51°F Partly Cloudy 3 mph ENE 5%
Thursday 65°F Slight Chance Rain Showers 3 mph E 15%
Thursday Night 56°F Mostly Cloudy then Slight Chance Rain Showers 2 mph E 17%
Friday 68°F Slight Chance Rain Showers then Partly Sunny 2 to 6 mph E 17%
Friday Night 56°F Mostly Cloudy 3 mph ESE 9%

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

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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 Sep 19, 2026.