Chester, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chester, a city in Howard County, Iowa.
Overnight
60°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy, with a low around 60. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Chester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Showers And Thunderstorms Likely | 10 mph SE | 62% |
| Saturday | 66°F | Showers And Thunderstorms Likely | 8 mph E | 61% |
| Saturday Night | 55°F | Slight Chance Showers And Thunderstorms then Cloudy | 9 to 13 mph N | 21% |
| Sunday | 66°F | Mostly Cloudy | 16 mph NE | 9% |
| Sunday Night | 48°F | Mostly Cloudy then Slight Chance Rain Showers | 13 mph NE | 16% |
| Monday | 61°F | Slight Chance Rain Showers | 12 mph NE | 22% |
| Monday Night | 44°F | Slight Chance Rain Showers then Mostly Cloudy | 6 to 9 mph NE | 16% |
| Tuesday | 60°F | Mostly Sunny | 6 to 9 mph NE | 8% |
| Tuesday Night | 42°F | Mostly Clear | 6 mph E | 2% |
| Wednesday | 63°F | Sunny | 6 mph E | 2% |
| Wednesday Night | 46°F | Mostly Clear | 5 mph E | 5% |
| Thursday | 65°F | Mostly Sunny | 5 mph SE | 10% |
| Thursday Night | 49°F | Partly Cloudy | 3 mph SE | 3% |
| Friday | 68°F | Mostly Sunny | 2 to 6 mph SE | 4% |
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 Sep 19, 2026.