Harman US

Polk City, IA Weather & Growing Conditions

This Afternoon
50°F
Cloudy
Cloudy, with a high near 50. West southwest wind around 15 mph, with gusts as high as 24 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 50°F Cloudy 15 mph WSW 14%
Tonight 43°F Slight Chance Rain Showers 13 mph W 24%
Thursday 51°F Slight Chance Rain Showers then Cloudy 13 mph NW 21%
Thursday Night 38°F Mostly Cloudy 6 to 10 mph N 3%
Friday 48°F Mostly Sunny 3 to 7 mph NNE 1%
Friday Night 30°F Partly Cloudy 0 to 3 mph NNE 0%
Saturday 54°F Mostly Sunny 1 to 6 mph SW 0%
Saturday Night 35°F Mostly Clear 5 mph WSW 0%
Sunday 61°F Sunny 5 mph W 0%
Sunday Night 38°F Clear 3 mph SW 0%
Monday 67°F Sunny 3 to 9 mph SW 0%
Monday Night 41°F Clear 2 to 6 mph W 0%
Tuesday 63°F Sunny 5 mph NNW 1%
Tuesday Night 42°F Partly Cloudy 3 mph NNE 2%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Polk City, IA

Last spring frost
Apr 19
First fall frost
Oct 18
Growing season
179 days
Hardiness zone
5b

Explore more for Polk City, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, Des Moines Wsfo-Johnston, Ia (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.