Greenville, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greenville, a city in Clay County, Iowa.
Today
74°F
Patchy Smoke
Patchy smoke and a chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then patchy smoke and showers and thunderstorms likely. Mostly cloudy. High near 74, with temperatures falling to around 71 in the afternoon. North wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Greenville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Patchy Smoke | 5 to 15 mph N | 64% |
| Tonight | 54°F | Patchy Smoke then Mostly Cloudy | 0 to 5 mph N | 63% |
| Wednesday | 76°F | Mostly Sunny | 0 to 5 mph NE | 2% |
| Wednesday Night | 53°F | Mostly Clear | 5 mph SSE | 0% |
| Thursday | 82°F | Sunny | 5 to 10 mph S | 0% |
| Thursday Night | 60°F | Mostly Clear | 5 to 10 mph S | 4% |
| Friday | 86°F | Sunny | 5 to 15 mph SSW | 6% |
| Friday Night | 64°F | Slight Chance Showers And Thunderstorms | 5 to 15 mph S | 16% |
| Saturday | 89°F | Sunny | 5 to 15 mph S | 9% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph SE | 25% |
| Sunday | 88°F | Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph SE | 25% |
| Sunday Night | 67°F | Partly Cloudy then Chance Showers And Thunderstorms | 10 to 15 mph ESE | 28% |
| Monday | 87°F | Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph E | 28% |
| Monday Night | 67°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph ENE | 30% |
Forecast source: National Weather Service (api.weather.gov) for Greenville (43.017, -95.146). Updated through the day.
Growing snapshot for Greenville
Last spring frost
Apr 30
First fall frost
Oct 5
Growing season
159 days
Hardiness zone
5a
More local growing data for Greenville: nearby ZIP 51343 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sioux Rapids 4 E, Ia (9.2 mi from Greenville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.