Brookville, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brookville, a city in Montgomery County, Ohio.
Tonight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. East wind around 8 mph.
7-day forecast for Brookville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Partly Cloudy | 8 mph E | 3% |
| Saturday | 81°F | Partly Sunny then Chance Showers And Thunderstorms | 7 mph SE | 54% |
| Saturday Night | 66°F | Showers And Thunderstorms Likely | 8 mph S | 67% |
| Sunday | 81°F | Chance Rain Showers | 8 mph W | 54% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms | 10 to 14 mph NE | 54% |
| Monday | 72°F | Showers And Thunderstorms Likely | 14 mph NE | 55% |
| Monday Night | 56°F | Chance Showers And Thunderstorms | 12 to 16 mph NE | 49% |
| Tuesday | 71°F | Chance Showers And Thunderstorms | 14 mph NE | 37% |
| Tuesday Night | 57°F | Chance Showers And Thunderstorms | 10 to 16 mph NE | 36% |
| Wednesday | 70°F | Chance Rain Showers | 10 mph N | 26% |
| Wednesday Night | 56°F | Slight Chance Rain Showers | 8 to 13 mph N | 17% |
| Thursday | 71°F | Partly Sunny | 10 mph N | 11% |
| Thursday Night | 55°F | Mostly Cloudy | 7 to 12 mph N | 11% |
| Friday | 71°F | Partly Sunny | 10 mph N | 6% |
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 Sep 19, 2026.