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
70°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South southeast wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Des Moines
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Chance Showers And Thunderstorms | 8 mph SSE | 45% |
| Saturday | 82°F | Chance Showers And Thunderstorms | 8 mph WSW | 43% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 8 mph N | 44% |
| Sunday | 68°F | Showers And Thunderstorms Likely | 8 to 12 mph NNE | 59% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 10 mph NE | 59% |
| Monday | 61°F | Rain Showers Likely | 12 mph NE | 62% |
| Monday Night | 54°F | Rain Showers Likely | 9 mph NE | 59% |
| Tuesday | 61°F | Mostly Cloudy | 8 mph NE | 14% |
| Tuesday Night | 50°F | Partly Cloudy | 2 to 7 mph NE | 3% |
| Wednesday | 65°F | Mostly Sunny | 5 mph ENE | 1% |
| Wednesday Night | 54°F | Partly Cloudy | 3 mph E | 4% |
| Thursday | 67°F | Slight Chance Rain Showers | 3 mph ESE | 16% |
| Thursday Night | 57°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph ESE | 15% |
| Friday | 68°F | Slight Chance Rain Showers | 5 mph E | 15% |
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 Sep 19, 2026.