Polk City, IA Weather & Growing Conditions
Today
82°F
Showers And Thunderstorms
Showers and thunderstorms. Partly sunny. High near 82, with temperatures falling to around 79 in the afternoon. West northwest wind 6 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Showers And Thunderstorms | 6 to 10 mph WNW | 79% |
| Tonight | 63°F | Showers And Thunderstorms | 7 to 10 mph NNE | 92% |
| Wednesday | 73°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 7 mph NE | 60% |
| Wednesday Night | 57°F | Slight Chance Rain Showers | 2 to 6 mph NE | 22% |
| Thursday | 80°F | Sunny | 1 to 5 mph ENE | 2% |
| Thursday Night | 62°F | Mostly Clear | 3 mph SE | 2% |
| Friday | 85°F | Sunny | 3 to 9 mph S | 7% |
| Friday Night | 67°F | Mostly Clear | 3 to 8 mph SSE | 12% |
| Saturday | 89°F | Sunny | 3 to 10 mph S | 12% |
| Saturday Night | 72°F | Mostly Clear | 12 mph SSW | 13% |
| Sunday | 89°F | Sunny | 8 to 12 mph S | 13% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms | 10 mph SSE | 28% |
| Monday | 89°F | Chance Showers And Thunderstorms then Mostly Sunny | 9 to 13 mph S | 28% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 9 to 13 mph ESE | 21% |
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 Aug 4, 2026.