Harman US

Des Moines, IA Weather & Growing Conditions

Today
84°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny. High near 84, with temperatures falling to around 82 in the afternoon. West northwest wind 6 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 84°F Chance Showers And Thunderstorms 6 to 10 mph WNW 52%
Tonight 63°F Showers And Thunderstorms 6 to 10 mph NNE 86%
Wednesday 73°F Showers And Thunderstorms Likely 7 mph NNE 64%
Wednesday Night 58°F Chance Showers And Thunderstorms 2 to 6 mph NNE 37%
Thursday 80°F Mostly Sunny 5 mph ENE 6%
Thursday Night 62°F Mostly Clear 3 mph SE 4%
Friday 85°F Sunny 2 to 8 mph S 6%
Friday Night 67°F Mostly Clear 7 mph SSE 13%
Saturday 89°F Sunny 3 to 9 mph S 9%
Saturday Night 73°F Mostly Clear 10 mph SSW 11%
Sunday 90°F Mostly Sunny 12 mph S 11%
Sunday Night 71°F Slight Chance Showers And Thunderstorms 10 mph S 27%
Monday 90°F Chance Showers And Thunderstorms then Mostly Sunny 9 to 14 mph SSW 27%
Monday Night 73°F Chance Showers And Thunderstorms 13 mph ESE 25%

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 (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.