Brookville, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brookville, a city in Montgomery County, Ohio.
This Afternoon
67°F
Rain Likely
Rain likely. Cloudy, with a high near 67. South wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Brookville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Rain Likely | 15 to 18 mph S | 66% |
| Tonight | 48°F | Chance Light Rain then Mostly Cloudy | 8 to 14 mph SW | 37% |
| Thursday | 63°F | Mostly Sunny | 9 to 16 mph SW | 0% |
| Thursday Night | 44°F | Mostly Cloudy | 6 to 9 mph W | 4% |
| Friday | 55°F | Slight Chance Light Rain | 6 to 13 mph NW | 18% |
| Friday Night | 36°F | Partly Cloudy | 8 to 12 mph NW | 11% |
| Saturday | 52°F | Partly Sunny | 12 mph NW | 0% |
| Saturday Night | 32°F | Partly Cloudy | 5 to 8 mph NW | 0% |
| Sunday | 56°F | Sunny | 5 to 13 mph W | 0% |
| Sunday Night | 34°F | Mostly Clear | 6 to 9 mph W | 0% |
| Monday | 61°F | Sunny | 5 to 9 mph W | 0% |
| Monday Night | 38°F | Mostly Clear | 9 mph SW | 0% |
| Tuesday | 64°F | Sunny | 10 mph W | 1% |
| Tuesday Night | 37°F | Mostly Clear | 3 to 7 mph NW | 3% |
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 5, 2026.