Harman US

Ames, IA Weather & Growing Conditions

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

WhenTempForecastWindPrecip
Overnight 68°F Chance Showers And Thunderstorms 7 mph SE 41%
Saturday 79°F Chance Showers And Thunderstorms 8 mph WSW 53%
Saturday Night 61°F Chance Showers And Thunderstorms 8 mph N 32%
Sunday 66°F Chance Rain Showers 9 to 13 mph NE 31%
Sunday Night 56°F Chance Rain Showers 12 mph ENE 51%
Monday 62°F Chance Rain Showers 12 mph NE 52%
Monday Night 51°F Chance Rain Showers 6 to 9 mph NE 52%
Tuesday 61°F Partly Sunny 8 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 ESE 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). 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 Sep 19, 2026.