Chester, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chester, a city in Howard County, Iowa.
Today
72°F
Chance Showers And Thunderstorms
Scattered rain showers between 11am and 3pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 72, with temperatures falling to around 69 in the afternoon. Northwest wind around 10 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 | 72°F | Chance Showers And Thunderstorms | 10 mph NW | 57% |
| Tonight | 57°F | Chance Showers And Thunderstorms | 7 mph NW | 62% |
| Wednesday | 73°F | Mostly Sunny | 5 mph N | 3% |
| Wednesday Night | 55°F | Mostly Clear | 5 mph W | 0% |
| Thursday | 76°F | Sunny | 2 to 6 mph SW | 0% |
| Thursday Night | 60°F | Mostly Clear | 6 mph S | 1% |
| Friday | 79°F | Sunny | 6 to 12 mph SW | 10% |
| Friday Night | 64°F | Mostly Clear | 10 mph SW | 12% |
| Saturday | 81°F | Sunny | 7 to 10 mph S | 10% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 12 mph SW | 34% |
| Sunday | 81°F | Chance Showers And Thunderstorms | 10 mph S | 34% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 8 mph S | 36% |
| Monday | 80°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 10 mph E | 36% |
| Monday Night | 65°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 9 mph NE | 34% |
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 Aug 4, 2026.