Ames, IA Weather & Growing Conditions
Today
81°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 7am. Mostly cloudy. High near 81, with temperatures falling to around 78 in the afternoon. West northwest wind 5 to 9 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Chance Showers And Thunderstorms | 5 to 9 mph WNW | 40% |
| Tonight | 62°F | Showers And Thunderstorms | 3 to 9 mph NNE | 88% |
| Wednesday | 73°F | Chance Showers And Thunderstorms | 6 mph NE | 43% |
| Wednesday Night | 56°F | Slight Chance Rain Showers | 0 to 3 mph ENE | 16% |
| Thursday | 80°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 | 3 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% |
| Monday Night | 71°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 12 mph ESE | 23% |
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 Aug 4, 2026.