Des Moines, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Des Moines, a city in Polk County, Iowa.
Overnight
47°F
Slight Chance Rain Showers
A slight chance of rain showers. Cloudy, with a low around 47. West northwest wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
7-day forecast for Des Moines
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Slight Chance Rain Showers | 14 mph WNW | 18% |
| Wednesday | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 12 to 15 mph W | 15% |
| Wednesday Night | 44°F | Mostly Cloudy then Slight Chance Rain Showers | 12 mph W | 21% |
| Thursday | 54°F | Chance Rain Showers then Mostly Cloudy | 12 mph NW | 42% |
| Thursday Night | 41°F | Mostly Cloudy | 6 to 9 mph NNW | 8% |
| Friday | 50°F | Mostly Sunny | 7 mph N | 5% |
| Friday Night | 32°F | Partly Cloudy | 0 to 3 mph NNE | 2% |
| Saturday | 53°F | Mostly Sunny | 3 mph SW | 1% |
| Saturday Night | 37°F | Mostly Clear | 3 mph WSW | 1% |
| Sunday | 60°F | Sunny | 5 mph W | 1% |
| Sunday Night | 38°F | Clear | 5 mph SW | 0% |
| Monday | 66°F | Sunny | 3 to 8 mph SW | 0% |
| Monday Night | 42°F | Clear | 2 to 6 mph W | 0% |
| Tuesday | 65°F | Sunny | 3 mph NNW | 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
Nearby towns & communities
Alleman
Altoona
Ankeny
Bondurant
Clive
Elkhart
Granger
Grimes
Johnston
Maxwell
Mitchellville
Pleasant Hill
Polk City
Runnells
Saylorville
Sheldahl
Slater
Urbandale
West Des Moines
Windsor Heights
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.