Ames, IA Weather & Growing Conditions
Tonight
46°F
Rain Showers
Rain showers before 4am. Cloudy. Low around 46, with temperatures rising to around 48 overnight. Northwest wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Rain Showers | 8 to 14 mph NW | 82% |
| Wednesday | 52°F | Chance Rain Showers | 12 to 15 mph W | 33% |
| Wednesday Night | 43°F | Cloudy then Chance Rain Showers | 8 to 12 mph W | 45% |
| Thursday | 52°F | Rain Showers Likely | 10 mph NW | 63% |
| Thursday Night | 39°F | Slight Chance Rain Showers then Mostly Cloudy | 8 mph N | 16% |
| Friday | 52°F | Partly Sunny | 3 to 7 mph N | 4% |
| Friday Night | 33°F | Partly Cloudy | 2 mph N | 0% |
| Saturday | 57°F | Mostly Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 37°F | Mostly Clear | 3 mph W | 4% |
| Sunday | 61°F | Sunny | 2 to 6 mph W | 5% |
| Sunday Night | 39°F | Mostly Clear | 5 mph SW | 2% |
| Monday | 66°F | Sunny | 5 to 9 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 64°F | Mostly Sunny | 5 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 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.