Harman US

Des Moines, IA Weather & Growing Conditions

Overnight
70°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South southeast wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 70°F Chance Showers And Thunderstorms 6 mph SSE 26%
Saturday 81°F Chance Showers And Thunderstorms 7 mph WSW 51%
Saturday Night 63°F Chance Showers And Thunderstorms 8 mph N 42%
Sunday 66°F Chance Rain Showers then Slight Chance Showers And Thunderstorms 8 to 12 mph NNE 43%
Sunday Night 57°F Showers And Thunderstorms Likely 10 mph NE 60%
Monday 62°F Rain Showers Likely 10 mph NE 58%
Monday Night 53°F Rain Showers Likely 6 to 9 mph NE 58%
Tuesday 61°F Partly Sunny 8 mph ENE 11%
Tuesday Night 48°F Partly Cloudy 2 to 6 mph ENE 3%
Wednesday 65°F Sunny 5 mph ENE 2%
Wednesday Night 54°F Partly Cloudy 3 mph E 4%
Thursday 66°F Slight Chance Rain Showers 1 to 5 mph ESE 21%
Thursday Night 57°F Mostly Cloudy 3 mph ESE 8%
Friday 68°F Partly Sunny 5 mph ESE 8%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Des Moines, IA

Last spring frost
Apr 18
First fall frost
Oct 20
Growing season
184 days
Hardiness zone
5b

Explore more for Des Moines, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, Des Moines Intl Ap, Ia (3.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.