Chapin, IA Weather & Growing Conditions
Today
75°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. High near 75, with temperatures falling to around 73 in the afternoon. West northwest wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Showers And Thunderstorms | 9 mph WNW | 83% |
| Tonight | 57°F | Showers And Thunderstorms Likely | 3 to 8 mph NNW | 60% |
| Wednesday | 74°F | Partly Sunny | 5 mph NNE | 9% |
| Wednesday Night | 53°F | Mostly Clear | 2 mph ENE | 2% |
| Thursday | 79°F | Sunny | 3 mph SSW | 2% |
| Thursday Night | 59°F | Mostly Clear | 5 mph S | 1% |
| Friday | 82°F | Sunny | 3 to 10 mph S | 8% |
| Friday Night | 64°F | Slight Chance Showers And Thunderstorms | 8 mph S | 20% |
| Saturday | 85°F | Slight Chance Showers And Thunderstorms then Sunny | 5 to 9 mph S | 15% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 8 to 13 mph SSE | 27% |
| Sunday | 86°F | Chance Showers And Thunderstorms then Mostly Sunny | 10 mph SE | 27% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms | 8 mph SSE | 33% |
| Monday | 84°F | Chance Showers And Thunderstorms | 10 mph SSE | 33% |
| Monday Night | 67°F | Slight Chance Showers And Thunderstorms | 8 to 13 mph ENE | 35% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Chapin, IA
Last spring frost
Apr 29
First fall frost
Oct 9
Growing season
162 days
Explore more for Chapin, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Hampton, Ia (5.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.