Runnells, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Runnells, 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. Southeast wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Runnells
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Chance Showers And Thunderstorms | 6 mph SE | 44% |
| Saturday | 82°F | Chance Showers And Thunderstorms | 6 to 9 mph WSW | 44% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 9 mph N | 48% |
| Sunday | 67°F | Showers And Thunderstorms Likely | 8 to 13 mph NNE | 61% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 10 to 14 mph NE | 61% |
| Monday | 63°F | Rain Showers Likely | 13 mph NE | 62% |
| Monday Night | 53°F | Rain Showers Likely | 8 to 12 mph NE | 60% |
| Tuesday | 61°F | Partly Sunny | 9 mph NE | 15% |
| Tuesday Night | 48°F | Partly Cloudy | 3 to 8 mph ENE | 3% |
| Wednesday | 65°F | Sunny | 6 mph ENE | 1% |
| Wednesday Night | 53°F | Partly Cloudy | 5 mph E | 4% |
| Thursday | 67°F | Slight Chance Rain Showers | 5 mph ESE | 13% |
| Thursday Night | 57°F | Mostly Cloudy | 3 mph E | 10% |
| Friday | 69°F | Partly Sunny | 2 to 6 mph E | 15% |
Forecast source: National Weather Service (api.weather.gov) for Runnells (41.514, -93.360). Updated through the day.
Growing snapshot for Runnells
Last spring frost
Apr 21
First fall frost
Oct 15
Growing season
174 days
Hardiness zone
5b
More local growing data for Runnells: nearby ZIP 50237 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Alleman
Altoona
Ankeny
Bondurant
Clive
Des Moines
Elkhart
Granger
Grimes
Johnston
Maxwell
Mitchellville
Pleasant Hill
Polk City
Saylorville
Sheldahl
Slater
Urbandale
West Des Moines
Windsor Heights
Climate data from the nearest NOAA station, Des Moines 17 E, Ia (4.5 mi from Runnells). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.