Polk City, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Polk City, a city in Polk County, Iowa.
Today
52°F
Cloudy
Cloudy. High near 52, with temperatures falling to around 50 in the afternoon. West wind 10 to 16 mph, with gusts as high as 25 mph.
7-day forecast for Polk City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 52°F | Cloudy | 10 to 16 mph W | 13% |
| Tonight | 44°F | Cloudy then Slight Chance Rain Showers | 13 mph W | 24% |
| Thursday | 54°F | Chance Rain Showers then Mostly Cloudy | 12 mph NW | 50% |
| Thursday Night | 40°F | Mostly Cloudy | 6 to 10 mph NNW | 6% |
| Friday | 50°F | Partly Sunny | 3 to 7 mph N | 5% |
| Friday Night | 31°F | Partly Cloudy | 0 to 3 mph NNE | 2% |
| Saturday | 54°F | Mostly Sunny | 1 to 5 mph SW | 2% |
| Saturday Night | 36°F | Mostly Clear | 3 mph W | 1% |
| Sunday | 60°F | Sunny | 6 mph W | 1% |
| Sunday Night | 38°F | Clear | 5 mph SW | 0% |
| Monday | 66°F | Sunny | 3 to 8 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 2 to 6 mph WNW | 0% |
| Tuesday | 65°F | Sunny | 5 mph NNW | 0% |
| Tuesday Night | 43°F | Partly Cloudy | 3 mph E | 1% |
Forecast source: National Weather Service (api.weather.gov) for Polk City (41.782, -93.723). Updated through the day.
Growing snapshot for Polk City
Last spring frost
Apr 19
First fall frost
Oct 18
Growing season
179 days
Hardiness zone
5b
More local growing data for Polk City: nearby ZIP 50226 weather · frost dates · planting calendar · Iowa frost dates
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Climate data from the nearest NOAA station, Des Moines Wsfo-Johnston, Ia (4.3 mi from Polk City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.