Plainville, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plainville, a community in Hamilton County, Ohio.
Tonight
63°F
Partly Cloudy then Widespread Fog
Widespread fog after midnight. Partly cloudy, with a low around 63. Northeast wind around 5 mph.
7-day forecast for Plainville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Partly Cloudy then Widespread Fog | 5 mph NE | 2% |
| Saturday | 86°F | Widespread Fog then Chance Rain Showers | 5 mph SE | 39% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 3 mph S | 48% |
| Sunday | 87°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 41% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 8 mph N | 41% |
| Monday | 79°F | Chance Showers And Thunderstorms | 6 to 10 mph NE | 43% |
| Monday Night | 61°F | Chance Showers And Thunderstorms | 6 to 12 mph NE | 50% |
| Tuesday | 75°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 7 to 10 mph NE | 44% |
| Tuesday Night | 60°F | Chance Showers And Thunderstorms | 3 to 12 mph NE | 40% |
| Wednesday | 74°F | Chance Rain Showers | 3 to 8 mph N | 39% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms then Mostly Cloudy | 2 to 8 mph N | 32% |
| Thursday | 74°F | Partly Sunny | 3 to 8 mph N | 10% |
| Thursday Night | 58°F | Mostly Cloudy | 2 to 8 mph N | 10% |
| Friday | 73°F | Partly Sunny | 3 to 8 mph N | 6% |
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 Sep 19, 2026.