Maineville, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Maineville, a village in Warren County, Ohio.
This Afternoon
86°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 5pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 86. West wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Maineville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 86°F | Chance Showers And Thunderstorms | 8 mph W | 56% |
| Tonight | 68°F | Showers And Thunderstorms Likely | 7 mph S | 71% |
| Sunday | 87°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 to 9 mph SW | 43% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 mph N | 60% |
| Monday | 73°F | Chance Showers And Thunderstorms | 10 to 14 mph NE | 44% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 8 to 16 mph NE | 44% |
| Tuesday | 74°F | Chance Rain Showers | 12 mph NE | 32% |
| Tuesday Night | 59°F | Chance Rain Showers | 6 to 14 mph NE | 42% |
| Wednesday | 72°F | Showers And Thunderstorms Likely | 7 to 10 mph NE | 64% |
| Wednesday Night | 57°F | Showers And Thunderstorms Likely | 7 to 14 mph NE | 64% |
| Thursday | 72°F | Slight Chance Rain Showers | 9 mph NE | 21% |
| Thursday Night | 55°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 9 mph NE | 19% |
| Friday | 73°F | Partly Sunny | 5 to 10 mph NE | 7% |
| Friday Night | 52°F | Partly Cloudy | 5 to 10 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Maineville (39.319, -84.185). Updated through the day.
Growing snapshot for Maineville
Last spring frost
Apr 23
First fall frost
Oct 18
Growing season
177 days
Hardiness zone
6b
More local growing data for Maineville: nearby ZIP 45039 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Butlerville
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Kings Mills
Landen
Lebanon
Loveland Park
Mason
Morrow
Pleasant Plain
Roachester
South Lebanon
Springboro
Waynesville
Climate data from the nearest NOAA station, Milford, Oh (10.4 mi from Maineville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.