Ames, IA Weather & Growing Conditions
Overnight
46°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a low around 46. West northwest wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Chance Rain Showers | 10 to 14 mph WNW | 34% |
| Wednesday | 53°F | Chance Rain Showers | 10 to 15 mph W | 25% |
| Wednesday Night | 43°F | Cloudy then Chance Rain Showers | 12 mph W | 27% |
| Thursday | 55°F | Rain Showers Likely then Mostly Cloudy | 12 mph NW | 63% |
| Thursday Night | 39°F | Mostly Cloudy | 5 to 8 mph NNW | 8% |
| Friday | 51°F | Mostly Sunny | 6 mph N | 4% |
| Friday Night | 30°F | Partly Cloudy | 2 mph N | 2% |
| Saturday | 54°F | Mostly Sunny | 0 to 3 mph SW | 0% |
| Saturday Night | 36°F | Mostly Clear | 2 mph W | 1% |
| Sunday | 60°F | Sunny | 5 mph W | 1% |
| Sunday Night | 37°F | Clear | 3 mph SW | 0% |
| Monday | 66°F | Sunny | 2 to 8 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 65°F | Sunny | 3 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ames, IA
Last spring frost
Apr 26
First fall frost
Oct 8
Growing season
164 days
Hardiness zone
5b
Explore more for Ames, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Ames Muni Ap, Ia (3.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.