Chester, IA Weather & Growing Conditions
Tonight
61°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 9pm, then showers and thunderstorms between 9pm and 10pm, then showers and thunderstorms likely between 10pm and 1am, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 61. Southeast wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Showers And Thunderstorms Likely | 10 to 15 mph SE | 78% |
| Saturday | 70°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 9 mph E | 71% |
| Saturday Night | 55°F | Chance Showers And Thunderstorms | 9 to 14 mph NE | 45% |
| Sunday | 64°F | Mostly Cloudy | 16 mph NE | 14% |
| Sunday Night | 50°F | Mostly Cloudy | 13 mph E | 11% |
| Monday | 60°F | Chance Rain Showers | 14 mph NE | 40% |
| Monday Night | 45°F | Chance Rain Showers | 10 mph NE | 40% |
| Tuesday | 59°F | Slight Chance Rain Showers then Partly Sunny | 10 mph E | 15% |
| Tuesday Night | 44°F | Partly Cloudy | 6 mph E | 3% |
| Wednesday | 63°F | Sunny | 6 mph E | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 3 mph SE | 4% |
| Thursday | 65°F | Partly Sunny | 5 mph S | 13% |
| Thursday Night | 51°F | Partly Cloudy | 3 mph SE | 9% |
| Friday | 67°F | Mostly Sunny | 6 mph SE | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Chester, IA
Last spring frost
May 8
First fall frost
Oct 1
Growing season
147 days
Hardiness zone
4b
Explore more for Chester, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Cresco 1 Ne, Ia (16.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.