Plainville, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plainville, a community in Hamilton County, Ohio.
This Afternoon
68°F
Light Rain Likely
Rain likely. Cloudy, with a high near 68. South wind around 13 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Plainville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Light Rain Likely | 13 mph S | 70% |
| Tonight | 50°F | Chance Light Rain then Mostly Cloudy | 2 to 12 mph SW | 50% |
| Thursday | 66°F | Mostly Sunny | 3 to 13 mph SW | 0% |
| Thursday Night | 45°F | Partly Cloudy | 1 to 6 mph SW | 0% |
| Friday | 58°F | Slight Chance Light Rain | 1 to 9 mph NW | 16% |
| Friday Night | 36°F | Mostly Cloudy | 3 to 8 mph NW | 13% |
| Saturday | 55°F | Mostly Sunny | 3 to 9 mph NW | 1% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 3 mph NW | 0% |
| Sunday | 58°F | Sunny | 0 to 7 mph W | 0% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 62°F | Sunny | 0 to 6 mph W | 0% |
| Monday Night | 37°F | Clear | 3 mph SW | 0% |
| Tuesday | 64°F | Sunny | 2 to 7 mph SW | 1% |
| Tuesday Night | 38°F | Mostly Clear | 0 to 3 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Plainville (39.144, -84.359). Updated through the day.
Growing snapshot for Plainville
Last spring frost
Apr 16
First fall frost
Oct 25
Growing season
190 days
Hardiness zone
6b
More local growing data for Plainville: nearby ZIP 45227 weather · frost dates · planting calendar · Ohio frost dates
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Climate data from the nearest NOAA station, Cincinnati Lunken Ap, Oh (3.9 mi from Plainville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.