Ames, IA Weather & Growing Conditions
This Afternoon
79°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 79, with temperatures falling to around 73 in the afternoon. Northwest wind 6 to 9 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 |
|---|---|---|---|---|
| This Afternoon | 79°F | Chance Showers And Thunderstorms | 6 to 9 mph NW | 28% |
| Tonight | 61°F | Chance Showers And Thunderstorms | 7 to 10 mph N | 40% |
| Sunday | 65°F | Chance Drizzle | 12 mph NNE | 35% |
| Sunday Night | 56°F | Rain Showers Likely | 12 mph NE | 59% |
| Monday | 59°F | Rain Showers | 10 mph NE | 84% |
| Monday Night | 52°F | Rain Showers | 6 to 9 mph NE | 76% |
| Tuesday | 60°F | Slight Chance Rain Showers then Mostly Cloudy | 8 mph NE | 17% |
| Tuesday Night | 47°F | Partly Cloudy | 2 to 6 mph ENE | 3% |
| Wednesday | 64°F | Mostly Sunny | 5 mph E | 0% |
| Wednesday Night | 52°F | Mostly Cloudy | 3 mph ESE | 10% |
| Thursday | 67°F | Slight Chance Rain Showers | 1 to 6 mph SE | 24% |
| Thursday Night | 57°F | Slight Chance Rain Showers | 3 mph SE | 21% |
| Friday | 69°F | Slight Chance Rain Showers then Mostly Cloudy | 1 to 6 mph ESE | 20% |
| Friday Night | 59°F | Mostly Cloudy | 3 mph ESE | 10% |
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 (2.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.