Greenville, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greenville, a city in Darke County, Ohio.
Overnight
62°F
Light Rain Likely
Rain likely. Cloudy, with a low around 62. South wind around 17 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Greenville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Light Rain Likely | 17 mph S | 74% |
| Wednesday | 66°F | Light Rain | 12 to 20 mph S | 96% |
| Wednesday Night | 48°F | Slight Chance Light Rain then Mostly Cloudy | 7 to 12 mph SW | 18% |
| Thursday | 61°F | Partly Sunny | 8 to 15 mph SW | 1% |
| Thursday Night | 45°F | Slight Chance Light Rain | 3 to 9 mph SW | 15% |
| Friday | 55°F | Chance Light Rain | 3 to 12 mph W | 37% |
| Friday Night | 37°F | Chance Light Rain then Mostly Cloudy | 7 to 10 mph NW | 25% |
| Saturday | 52°F | Partly Sunny | 7 to 10 mph NW | 2% |
| Saturday Night | 32°F | Partly Cloudy | 3 to 7 mph W | 2% |
| Sunday | 56°F | Sunny | 3 to 12 mph W | 3% |
| Sunday Night | 33°F | Mostly Clear | 5 to 9 mph W | 3% |
| Monday | 59°F | Sunny | 5 to 10 mph W | 3% |
| Monday Night | 38°F | Mostly Clear | 8 mph SW | 1% |
| Tuesday | 63°F | Sunny | 7 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Greenville (40.105, -84.621). Updated through the day.
Growing snapshot for Greenville
Last spring frost
Apr 21
First fall frost
Oct 20
Growing season
180 days
Hardiness zone
6a
More local growing data for Greenville: nearby ZIP 45331 weather · frost dates · planting calendar · Ohio frost dates
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Climate data from the nearest NOAA station, Greenville Wtp, Oh (0.3 mi from Greenville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.