Ankeny, IA Weather & Growing Conditions
Tonight
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 9pm and midnight, then patchy fog and a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South southeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Chance Showers And Thunderstorms | 7 to 10 mph SSE | 54% |
| Saturday | 80°F | Chance Showers And Thunderstorms | 8 mph WSW | 43% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 8 mph N | 37% |
| Sunday | 67°F | Showers And Thunderstorms Likely | 12 mph NNE | 56% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 12 mph ENE | 56% |
| Monday | 60°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 | 15% |
| Tuesday Night | 49°F | Partly Cloudy | 3 to 7 mph ENE | 2% |
| Wednesday | 64°F | Mostly Sunny | 5 mph E | 2% |
| Wednesday Night | 53°F | Partly Cloudy | 3 mph ESE | 5% |
| Thursday | 66°F | Slight Chance Rain Showers | 1 to 5 mph ESE | 18% |
| 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). Updated through the day.
Growing snapshot for Ankeny, IA
Last spring frost
Apr 23
First fall frost
Oct 15
Growing season
173 days
Hardiness zone
5b
Explore more for Ankeny, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Ankeny, Ia (1.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.