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Des Moines, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Des Moines, a city in Polk County, Iowa.

This Afternoon
68°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 68, with temperatures falling to around 63 in the afternoon. North wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Des Moines

WhenTempForecastWindPrecip
This Afternoon 68°F Showers And Thunderstorms 7 mph N 77%
Tonight 47°F Showers And Thunderstorms Likely 7 to 12 mph NW 68%
Wednesday 53°F Slight Chance Rain Showers 12 to 15 mph W 20%
Wednesday Night 44°F Mostly Cloudy then Slight Chance Rain Showers 12 mph W 19%
Thursday 53°F Rain Showers Likely 10 mph NW 56%
Thursday Night 41°F Mostly Cloudy 8 mph NNW 10%
Friday 52°F Partly Sunny 7 mph N 1%
Friday Night 35°F Partly Cloudy 3 mph NNE 0%
Saturday 57°F Mostly Sunny 1 to 5 mph WSW 2%
Saturday Night 38°F Mostly Clear 5 mph W 4%
Sunday 62°F Sunny 6 mph W 6%
Sunday Night 40°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 W 0%

Forecast source: National Weather Service (api.weather.gov) for Des Moines (41.573, -93.610). Updated through the day.

Growing snapshot for Des Moines

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

More local growing data for Des Moines: nearby ZIP 50309 weather · frost dates · planting calendar · Iowa frost dates

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Climate data from the nearest NOAA station, Des Moines Intl Ap, Ia (3.8 mi from Des Moines). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.