Ames, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ames, a city in Story County, Iowa.
Overnight
66°F
Mostly Cloudy
Mostly cloudy, with a low around 66. South wind around 6 mph.
7-day forecast for Ames
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Mostly Cloudy | 6 mph S | 12% |
| Tuesday | 81°F | Chance Showers And Thunderstorms | 5 to 9 mph WNW | 39% |
| Tuesday Night | 62°F | Showers And Thunderstorms | 3 to 9 mph N | 89% |
| Wednesday | 74°F | Chance Showers And Thunderstorms | 6 mph NE | 44% |
| Wednesday Night | 56°F | Slight Chance Rain Showers | 0 to 3 mph ENE | 16% |
| Thursday | 81°F | Sunny | 0 to 3 mph E | 2% |
| Thursday Night | 61°F | Mostly Clear | 3 mph SSE | 1% |
| Friday | 85°F | Sunny | 2 to 8 mph S | 9% |
| Friday Night | 66°F | Mostly Clear | 3 to 7 mph S | 13% |
| Saturday | 89°F | Sunny | 2 to 9 mph S | 13% |
| Saturday Night | 71°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 10 mph S | 15% |
| Sunday | 89°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph S | 15% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 9 mph SSE | 31% |
| Monday | 89°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 8 to 12 mph S | 31% |
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 Aug 4, 2026.