Chester, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chester, a city in Howard County, Iowa.
This Afternoon
49°F
Chance Rain Showers
A chance of rain showers. Cloudy. High near 49, with temperatures falling to around 47 in the afternoon. Southwest wind around 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Chester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 49°F | Chance Rain Showers | 13 mph SW | 37% |
| Tonight | 44°F | Rain Showers | 15 mph W | 91% |
| Thursday | 47°F | Chance Rain Showers | 15 to 18 mph N | 51% |
| Thursday Night | 33°F | Slight Chance Rain Showers then Mostly Cloudy | 9 to 14 mph N | 21% |
| Friday | 45°F | Sunny | 10 mph N | 0% |
| Friday Night | 27°F | Mostly Clear | 7 mph NW | 0% |
| Saturday | 49°F | Mostly Sunny | 6 to 12 mph W | 0% |
| Saturday Night | 34°F | Partly Cloudy | 7 mph W | 0% |
| Sunday | 55°F | Sunny | 7 mph W | 2% |
| Sunday Night | 36°F | Mostly Clear | 7 mph SW | 0% |
| Monday | 61°F | Sunny | 7 to 13 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 to 8 mph W | 0% |
| Tuesday | 57°F | Sunny | 6 mph NW | 0% |
| Tuesday Night | 38°F | Partly Cloudy | 3 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Chester (43.492, -92.364). Updated through the day.
Growing snapshot for Chester
Last spring frost
May 8
First fall frost
Oct 1
Growing season
147 days
Hardiness zone
4b
More local growing data for Chester: nearby ZIP 52134 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cresco 1 Ne, Ia (16.4 mi from Chester). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.