Hillsboro, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hillsboro, a city in Highland County, Ohio.
Overnight
59°F
Chance Light Rain
A chance of rain. Cloudy, with a low around 59. South wind around 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Hillsboro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Chance Light Rain | 13 mph S | 48% |
| Wednesday | 66°F | Rain | 13 to 16 mph S | 98% |
| Wednesday Night | 51°F | Rain then Mostly Cloudy | 5 to 14 mph SW | 75% |
| Thursday | 64°F | Mostly Sunny | 5 to 13 mph SW | 0% |
| Thursday Night | 43°F | Partly Cloudy | 1 to 6 mph SW | 0% |
| Friday | 59°F | Chance Light Rain | 1 to 9 mph W | 26% |
| Friday Night | 37°F | Chance Light Rain then Mostly Cloudy | 5 to 9 mph NW | 26% |
| Saturday | 53°F | Mostly Sunny | 6 to 9 mph NW | 2% |
| Saturday Night | 33°F | Partly Cloudy | 1 to 5 mph NW | 0% |
| Sunday | 56°F | Mostly Sunny | 2 to 10 mph W | 2% |
| Sunday Night | 32°F | Mostly Clear | 3 to 7 mph W | 3% |
| Monday | 59°F | Sunny | 3 to 9 mph W | 3% |
| Monday Night | 35°F | Mostly Clear | 6 mph SW | 2% |
| Tuesday | 63°F | Sunny | 7 to 10 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Hillsboro (39.212, -83.611). Updated through the day.
Growing snapshot for Hillsboro
Last spring frost
Apr 24
First fall frost
Oct 20
Growing season
178 days
Hardiness zone
6b
More local growing data for Hillsboro: nearby ZIP 45133 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Good Hope
Greenfield
Highland
Highland Holiday
Leesburg
Lynchburg
Mowrystown
Rocky Fork Point
Sinking Spring
Climate data from the nearest NOAA station, Hillsboro, Oh (5.5 mi from Hillsboro). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.