Brookville, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brookville, a city in Montgomery County, Ohio.
Today
66°F
Rain
Rain and a slight chance of thunderstorms. Cloudy, with a high near 66. South wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Brookville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Rain | 14 to 20 mph S | 94% |
| Tonight | 49°F | Chance Light Rain then Mostly Cloudy | 8 to 13 mph SW | 28% |
| Thursday | 62°F | Mostly Sunny | 8 to 15 mph SW | 0% |
| Thursday Night | 45°F | Mostly Cloudy | 5 to 9 mph SW | 8% |
| Friday | 56°F | Chance Light Rain | 5 to 13 mph W | 35% |
| Friday Night | 37°F | Chance Light Rain then Mostly Cloudy | 9 to 13 mph NW | 31% |
| Saturday | 53°F | Partly Sunny | 10 mph NW | 2% |
| Saturday Night | 33°F | Partly Cloudy | 7 mph NW | 2% |
| Sunday | 56°F | Sunny | 6 to 12 mph W | 3% |
| Sunday Night | 34°F | Mostly Clear | 6 to 10 mph W | 3% |
| Monday | 59°F | Sunny | 6 to 10 mph W | 2% |
| Monday Night | 38°F | Mostly Clear | 9 mph SW | 2% |
| Tuesday | 63°F | Sunny | 10 mph W | 1% |
| Tuesday Night | 37°F | Mostly Clear | 7 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Brookville (39.840, -84.417). Updated through the day.
Growing snapshot for Brookville
Last spring frost
Apr 16
First fall frost
Oct 28
Growing season
194 days
Hardiness zone
6a
More local growing data for Brookville: nearby ZIP 45309 weather · frost dates · planting calendar · Ohio frost dates
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Climate data from the nearest NOAA station, Dayton Intl Ap, Oh (11.4 mi from Brookville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.