Chester, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chester, a city in Howard County, Iowa.
Today
64°F
Rain Showers Likely
Rain showers likely before 1pm, then a chance of showers and thunderstorms. Cloudy, with a high near 64. Northeast wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Chester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Rain Showers Likely | 5 to 8 mph NE | 64% |
| Tonight | 55°F | Chance Showers And Thunderstorms | 9 to 13 mph N | 29% |
| Sunday | 65°F | Mostly Cloudy | 15 mph NE | 12% |
| 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% |
| Friday Night | 51°F | Partly Cloudy | 5 mph SE | 9% |
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.