Harman US

Ames, IA Weather & Growing Conditions

Overnight
68°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4am, then showers and thunderstorms likely between 4am and 5am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South southeast wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 68°F Chance Showers And Thunderstorms 8 mph SSE 57%
Saturday 79°F Chance Showers And Thunderstorms 8 mph W 47%
Saturday Night 62°F Chance Showers And Thunderstorms 8 mph N 32%
Sunday 67°F Chance Rain Showers 12 mph NE 45%
Sunday Night 57°F Chance Showers And Thunderstorms 10 mph ENE 43%
Monday 61°F Rain Showers Likely 12 mph ENE 63%
Monday Night 52°F Rain Showers Likely 6 to 10 mph NE 63%
Tuesday 61°F Slight Chance Rain Showers then Mostly Cloudy 8 mph ENE 19%
Tuesday Night 48°F Partly Cloudy 2 to 6 mph ENE 3%
Wednesday 65°F Mostly Sunny 5 mph E 2%
Wednesday Night 52°F Partly Cloudy 0 to 3 mph E 4%
Thursday 67°F Slight Chance Rain Showers 0 to 3 mph SE 18%
Thursday Night 55°F Mostly Cloudy 2 mph ESE 8%
Friday 68°F Partly Sunny 1 to 5 mph E 13%

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 (3.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.