Chester, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chester, a city in Howard County, Iowa.
Today
50°F
Rain Showers Likely
Rain showers likely. Cloudy. High near 50, with temperatures falling to around 46 in the afternoon. Southwest wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Chester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 50°F | Rain Showers Likely | 16 mph SW | 55% |
| Tonight | 44°F | Rain Showers | 15 mph W | 91% |
| Thursday | 48°F | Chance Rain Showers then Cloudy | 16 mph NW | 37% |
| Thursday Night | 35°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 13 mph N | 15% |
| Friday | 45°F | Mostly Sunny | 3 to 8 mph N | 1% |
| Friday Night | 28°F | Mostly Clear | 2 mph NW | 0% |
| Saturday | 49°F | Sunny | 2 to 7 mph W | 1% |
| Saturday Night | 35°F | Mostly Clear | 7 mph W | 1% |
| Sunday | 54°F | Sunny | 6 to 9 mph W | 3% |
| Sunday Night | 36°F | Mostly Clear | 7 mph SW | 0% |
| Monday | 59°F | Mostly Sunny | 7 to 12 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 7 mph W | 0% |
| Tuesday | 57°F | Sunny | 5 mph NW | 0% |
| Tuesday Night | 40°F | Partly Cloudy | 3 mph W | 3% |
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 4, 2026.