Ankeny, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ankeny, a city in Polk County, Iowa.
Tonight
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South southeast wind around 9 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Ankeny
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Chance Showers And Thunderstorms | 9 mph SSE | 49% |
| Saturday | 80°F | Chance Showers And Thunderstorms | 8 mph WSW | 46% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 8 mph N | 38% |
| Sunday | 67°F | Showers And Thunderstorms Likely | 12 mph NNE | 55% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 12 mph ENE | 55% |
| Monday | 61°F | Rain Showers Likely | 12 mph ENE | 63% |
| Monday Night | 53°F | Rain Showers Likely | 9 mph NE | 59% |
| Tuesday | 60°F | Slight Chance Rain Showers then Mostly Cloudy | 8 mph NE | 16% |
| Tuesday Night | 49°F | Partly Cloudy | 6 mph ENE | 2% |
| Wednesday | 64°F | Mostly Sunny | 5 mph E | 2% |
| Wednesday Night | 53°F | Partly Cloudy | 3 mph ESE | 4% |
| Thursday | 67°F | Slight Chance Rain Showers | 5 mph ESE | 17% |
| Thursday Night | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph ESE | 15% |
| Friday | 67°F | Slight Chance Rain Showers | 5 mph ESE | 15% |
Forecast source: National Weather Service (api.weather.gov) for Ankeny (41.730, -93.603). Updated through the day.
Growing snapshot for Ankeny
Last spring frost
Apr 23
First fall frost
Oct 15
Growing season
173 days
Hardiness zone
5b
More local growing data for Ankeny: nearby ZIP 50023 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Alleman
Altoona
Bondurant
Clive
Des Moines
Elkhart
Granger
Grimes
Johnston
Maxwell
Mitchellville
Pleasant Hill
Polk City
Runnells
Saylorville
Sheldahl
Slater
Urbandale
West Des Moines
Windsor Heights
Climate data from the nearest NOAA station, Ankeny, Ia (1.1 mi from Ankeny). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.