Ankeny, IA Weather & Growing Conditions
Today
82°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Partly sunny. High near 82, with temperatures falling to around 79 in the afternoon. Northwest wind 6 to 9 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 |
|---|---|---|---|---|
| Today | 82°F | Showers And Thunderstorms Likely | 6 to 9 mph NW | 67% |
| Tonight | 63°F | Showers And Thunderstorms | 6 to 10 mph NNE | 91% |
| Wednesday | 72°F | Showers And Thunderstorms Likely | 7 mph NNE | 67% |
| Wednesday Night | 57°F | Chance Rain Showers | 5 mph NE | 27% |
| Thursday | 80°F | Sunny | 3 mph ENE | 2% |
| Thursday Night | 62°F | Mostly Clear | 3 mph SE | 3% |
| Friday | 84°F | Sunny | 2 to 7 mph S | 6% |
| Friday Night | 67°F | Mostly Clear | 6 mph SSE | 13% |
| Saturday | 88°F | Sunny | 3 to 9 mph S | 12% |
| Saturday Night | 72°F | Mostly Clear | 10 mph SSW | 12% |
| Sunday | 89°F | Mostly Sunny | 10 mph S | 12% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms | 9 mph S | 28% |
| Monday | 89°F | Chance Showers And Thunderstorms then Mostly Sunny | 8 to 13 mph S | 28% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 12 mph ESE | 24% |
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 Aug 4, 2026.