Ankeny, IA Weather & Growing Conditions
Tonight
47°F
Rain Showers Likely
Rain showers likely before 3am. Cloudy. Low around 47, with temperatures rising to around 49 overnight. Northwest wind 9 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Rain Showers Likely | 9 to 13 mph NW | 68% |
| Wednesday | 52°F | Slight Chance Rain Showers | 15 mph W | 24% |
| Wednesday Night | 44°F | Mostly Cloudy then Chance Rain Showers | 13 mph W | 29% |
| Thursday | 52°F | Rain Showers Likely | 12 mph NW | 59% |
| Thursday Night | 41°F | Mostly Cloudy | 9 mph NNW | 9% |
| Friday | 52°F | Partly Sunny | 7 mph N | 3% |
| Friday Night | 35°F | Partly Cloudy | 3 mph NE | 0% |
| Saturday | 56°F | Mostly Sunny | 1 to 5 mph WSW | 1% |
| Saturday Night | 38°F | Mostly Clear | 5 mph W | 4% |
| Sunday | 61°F | Sunny | 6 mph W | 5% |
| Sunday Night | 40°F | Mostly Clear | 5 mph SW | 1% |
| Monday | 65°F | Sunny | 5 to 9 mph SW | 0% |
| Monday Night | 43°F | Mostly Clear | 6 mph WNW | 0% |
| Tuesday | 64°F | Sunny | 6 mph NNW | 0% |
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 Nov 4, 2026.