Ames, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ames, a city in Story County, Iowa.
Overnight
68°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Ames
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Chance Showers And Thunderstorms | 7 mph SE | 41% |
| Saturday | 79°F | Chance Showers And Thunderstorms | 8 mph W | 53% |
| Saturday Night | 62°F | Chance Showers And Thunderstorms | 8 mph N | 32% |
| Sunday | 66°F | Chance Rain Showers | 12 mph NE | 30% |
| Sunday Night | 56°F | Chance Rain Showers | 12 mph ENE | 51% |
| Monday | 62°F | Chance Rain Showers | 10 mph NE | 51% |
| Monday Night | 51°F | Chance Rain Showers | 6 to 9 mph NE | 51% |
| Tuesday | 61°F | Partly Sunny | 7 mph ENE | 10% |
| Tuesday Night | 46°F | Partly Cloudy | 2 to 6 mph ENE | 2% |
| Wednesday | 65°F | Mostly Sunny | 5 mph E | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 3 mph E | 6% |
| Thursday | 66°F | Slight Chance Rain Showers | 1 to 5 mph ESE | 18% |
| Thursday Night | 55°F | Mostly Cloudy | 2 mph ESE | 10% |
| Friday | 68°F | Partly Sunny | 2 to 6 mph ESE | 10% |
Forecast source: National Weather Service (api.weather.gov) for Ames (42.026, -93.621). Updated through the day.
Growing snapshot for Ames
Last spring frost
Apr 26
First fall frost
Oct 8
Growing season
164 days
Hardiness zone
5b
More local growing data for Ames: nearby ZIP 50012 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Ames Muni Ap, Ia (3 mi from Ames). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.