Allerton, IA Weather & Growing Conditions
This Afternoon
86°F
Sunny
Sunny. High near 86, with temperatures falling to around 84 in the afternoon. Southeast wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 86°F | Sunny | 9 mph SE | 9% |
| Tonight | 70°F | Mostly Cloudy then Chance Showers And Thunderstorms | 8 mph SSE | 25% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 7 to 10 mph SW | 28% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 7 mph NNW | 70% |
| Sunday | 71°F | Showers And Thunderstorms Likely | 6 to 12 mph N | 63% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 10 mph NE | 63% |
| Monday | 62°F | Rain Showers Likely | 12 mph NE | 57% |
| Monday Night | 53°F | Chance Rain Showers | 7 to 10 mph NE | 47% |
| Tuesday | 59°F | Mostly Cloudy | 9 mph NE | 14% |
| Tuesday Night | 48°F | Mostly Cloudy | 2 to 6 mph NE | 4% |
| Wednesday | 63°F | Mostly Sunny | 5 mph ENE | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 3 mph ENE | 3% |
| Thursday | 65°F | Partly Sunny | 3 mph E | 11% |
| Thursday Night | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph E | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Allerton, IA
Last spring frost
Apr 21
First fall frost
Oct 19
Growing season
178 days
Hardiness zone
5b
Explore more for Allerton, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Allerton, Ia (2.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.