Harman US

Ames, IA Weather & Growing Conditions

Today
81°F
Showers And Thunderstorms
Showers and thunderstorms. Partly sunny. High near 81, with temperatures falling to around 78 in the afternoon. Northwest wind 5 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 81°F Showers And Thunderstorms 5 to 9 mph NW 78%
Tonight 61°F Showers And Thunderstorms 5 to 9 mph N 89%
Wednesday 74°F Chance Showers And Thunderstorms 6 mph NE 45%
Wednesday Night 56°F Slight Chance Rain Showers 0 to 3 mph ENE 18%
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 32%
Monday 88°F Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 8 to 12 mph S 32%
Monday Night 71°F Partly Cloudy then Slight Chance Showers And Thunderstorms 10 mph ESE 24%

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 Aug 4, 2026.