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Runnells, IA Weather & Growing Conditions

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

This Afternoon
70°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. High near 70, with temperatures falling to around 64 in the afternoon. Northeast wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Runnells

WhenTempForecastWindPrecip
This Afternoon 70°F Showers And Thunderstorms 5 to 8 mph NE 75%
Tonight 48°F Showers And Thunderstorms Likely 8 to 13 mph WNW 65%
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%

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

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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 3, 2026.