Chapin, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chapin, a community in Franklin County, Iowa.
Overnight
64°F
Patchy Fog
Patchy fog and showers and thunderstorms likely before 4am, then patchy fog and a chance of showers and thunderstorms. Cloudy, with a low around 64. East southeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Chapin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Patchy Fog | 7 mph ESE | 58% |
| Saturday | 74°F | Patchy Fog | 8 mph W | 53% |
| Saturday Night | 57°F | Chance Showers And Thunderstorms | 10 mph N | 26% |
| Sunday | 65°F | Slight Chance Rain Showers then Slight Chance Drizzle | 10 to 14 mph NE | 21% |
| Sunday Night | 51°F | Chance Rain Showers | 12 mph ENE | 29% |
| Monday | 61°F | Chance Rain Showers | 12 mph ENE | 46% |
| Monday Night | 46°F | Chance Rain Showers | 5 to 9 mph ENE | 37% |
| Tuesday | 60°F | Mostly Sunny | 7 mph ENE | 11% |
| Tuesday Night | 43°F | Partly Cloudy | 2 to 6 mph E | 1% |
| Wednesday | 64°F | Sunny | 5 mph E | 1% |
| Wednesday Night | 48°F | Partly Cloudy | 2 mph ESE | 6% |
| Thursday | 65°F | Partly Sunny | 3 mph ESE | 11% |
| Thursday Night | 51°F | Mostly Cloudy | 2 mph ESE | 5% |
| Friday | 68°F | Mostly Sunny | 1 to 5 mph ESE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Chapin (42.835, -93.222). Updated through the day.
Growing snapshot for Chapin
Last spring frost
Apr 29
First fall frost
Oct 9
Growing season
162 days
More local growing data for Chapin: nearby ZIP 50427 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hampton, Ia (5.6 mi from Chapin). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.