West Chester, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Chester, a city in Washington County, Iowa.
Overnight
50°F
Cloudy
Cloudy. Low around 50, with temperatures rising to around 52 overnight. Southwest wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for West Chester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Cloudy | 15 mph SW | 12% |
| Wednesday | 52°F | Slight Chance Rain Showers then Mostly Cloudy | 15 to 20 mph W | 19% |
| Wednesday Night | 45°F | Mostly Cloudy | 15 mph W | 10% |
| Thursday | 54°F | Rain Showers Likely | 10 to 15 mph W | 64% |
| Thursday Night | 41°F | Mostly Cloudy | 10 mph N | 13% |
| Friday | 49°F | Mostly Sunny | 5 to 10 mph N | 2% |
| Friday Night | 30°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 1% |
| Sunday | 56°F | Sunny | 5 to 10 mph W | 2% |
| Sunday Night | 36°F | Clear | 5 mph SW | 0% |
| Monday | 63°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 to 10 mph W | 0% |
| Tuesday | 63°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for West Chester (41.340, -91.817). Updated through the day.
Growing snapshot for West Chester
Last spring frost
Apr 28
First fall frost
Oct 11
Growing season
165 days
Hardiness zone
5b
More local growing data for West Chester: nearby ZIP 52359 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Washington, Ia (7.3 mi from West Chester). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.