Harman US

Des Moines, IA Weather & Growing Conditions

Tonight
48°F
Rain Showers Likely
Rain showers likely before 3am. Cloudy, with a low around 48. Northwest wind 7 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 48°F Rain Showers Likely 7 to 14 mph NW 65%
Wednesday 53°F Slight Chance Rain Showers 14 mph W 20%
Wednesday Night 45°F Mostly Cloudy then Slight Chance Rain Showers 10 mph W 20%
Thursday 53°F Rain Showers Likely 10 mph NW 57%
Thursday Night 42°F Mostly Cloudy 8 mph NNW 10%
Friday 53°F Partly Sunny 3 to 7 mph N 2%
Friday Night 36°F Partly Cloudy 2 mph NNE 0%
Saturday 57°F Mostly Sunny 3 mph WSW 1%
Saturday Night 39°F Mostly Clear 3 mph W 4%
Sunday 62°F Sunny 6 mph W 6%
Sunday Night 41°F Mostly Clear 5 mph SW 1%
Monday 66°F Sunny 5 to 9 mph SW 0%
Monday Night 43°F Mostly Clear 6 mph WNW 0%
Tuesday 65°F Sunny 5 mph NNW 0%

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 Nov 4, 2026.