Runnells, IA Weather & Growing Conditions

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

Tonight

48°F

Rain Showers Likely

Rain showers likely before 3am. Cloudy, with a low around 48. West northwest wind 8 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Runnells

When	Temp	Forecast	Wind	Precip
Tonight	48°F	Rain Showers Likely	8 to 13 mph WNW	57%
Wednesday	53°F	Slight Chance Rain Showers	13 to 16 mph W	20%
Wednesday Night	44°F	Mostly Cloudy then Slight Chance Rain Showers	13 mph W	16%
Thursday	53°F	Chance Rain Showers	12 mph WNW	54%
Thursday Night	42°F	Mostly Cloudy	9 mph NNW	10%
Friday	53°F	Partly Sunny	5 to 8 mph N	1%
Friday Night	35°F	Partly Cloudy	0 to 3 mph N	0%
Saturday	57°F	Mostly Sunny	0 to 6 mph WSW	2%
Saturday Night	38°F	Mostly Clear	3 mph W	4%
Sunday	62°F	Sunny	3 to 7 mph W	5%
Sunday Night	40°F	Mostly Clear	6 mph SW	1%
Monday	66°F	Sunny	5 to 12 mph SW	0%
Monday Night	42°F	Mostly Clear	3 to 7 mph W	0%
Tuesday	65°F	Sunny	3 to 7 mph NNW	0%

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

More local growing data for Runnells: nearby ZIP 50237 weather · frost dates · planting calendar · Iowa frost dates

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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 Nov 4, 2026.