Coin, IA Weather & Growing Conditions
Today
85°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of rain showers between 2pm and 4pm, then a slight chance of showers and thunderstorms between 4pm and 5pm, then a chance of showers and thunderstorms. Mostly sunny. High near 85, with temperatures falling to around 83 in the afternoon. North wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 mph N | 27% |
| Tonight | 63°F | Chance Showers And Thunderstorms | 8 to 13 mph NNE | 70% |
| Wednesday | 77°F | Showers And Thunderstorms | 9 mph NE | 88% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 2 to 8 mph NE | 25% |
| Thursday | 82°F | Sunny | 3 mph E | 1% |
| Thursday Night | 65°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 mph SE | 19% |
| Friday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 6 mph S | 16% |
| Friday Night | 68°F | Mostly Clear | 5 mph SSE | 9% |
| Saturday | 89°F | Sunny | 3 to 10 mph SE | 4% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 10 mph SSE | 31% |
| Sunday | 90°F | Chance Showers And Thunderstorms then Mostly Sunny | 9 mph S | 30% |
| Sunday Night | 75°F | Partly Cloudy | 9 to 15 mph S | 14% |
| Monday | 92°F | Mostly Sunny | 10 to 14 mph SSW | 14% |
| Monday Night | 72°F | Partly Cloudy | 9 to 13 mph S | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Coin, IA
Last spring frost
Apr 20
First fall frost
Oct 17
Growing season
179 days
Hardiness zone
5b
Explore more for Coin, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Shenandoah, Ia (9.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.