Harman US

Maineville, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Maineville, a village in Warren County, Ohio.

Overnight
61°F
Patchy Fog
Patchy fog after 4am. Partly cloudy, with a low around 61. East wind around 5 mph.

7-day forecast for Maineville

WhenTempForecastWindPrecip
Overnight 61°F Patchy Fog 5 mph E 2%
Saturday 84°F Areas Of Fog then Chance Rain Showers 6 mph SE 39%
Saturday Night 68°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 5 mph S 59%
Sunday 84°F Chance Showers And Thunderstorms 5 to 8 mph SW 48%
Sunday Night 63°F Chance Showers And Thunderstorms 12 mph N 48%
Monday 77°F Chance Showers And Thunderstorms 9 to 13 mph NE 47%
Monday Night 59°F Chance Showers And Thunderstorms 9 to 15 mph NE 50%
Tuesday 74°F Chance Showers And Thunderstorms 9 to 13 mph NE 46%
Tuesday Night 59°F Chance Showers And Thunderstorms 6 to 14 mph NE 44%
Wednesday 72°F Chance Rain Showers 7 to 10 mph N 35%
Wednesday Night 57°F Chance Showers And Thunderstorms 5 to 12 mph N 35%
Thursday 72°F Partly Sunny 6 to 10 mph N 11%
Thursday Night 56°F Mostly Cloudy 3 to 10 mph N 11%
Friday 72°F Partly Sunny 5 to 10 mph N 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

All Ohio locations ›

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.