Hillsboro, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hillsboro, a city in Highland County, Ohio.
This Afternoon
76°F
Sunny
Sunny, with a high near 76. South wind around 10 mph.
7-day forecast for Hillsboro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Sunny | 10 mph S | 1% |
| Tonight | 59°F | Mostly Cloudy then Chance Rain Showers | 7 to 13 mph SE | 48% |
| Wednesday | 67°F | Showers And Thunderstorms | 13 to 16 mph S | 100% |
| Wednesday Night | 52°F | Showers And Thunderstorms then Mostly Cloudy | 5 to 13 mph SW | 98% |
| Thursday | 66°F | Mostly Sunny | 5 to 13 mph SW | 0% |
| Thursday Night | 44°F | Partly Cloudy | 1 to 6 mph SW | 0% |
| Friday | 62°F | Partly Sunny | 1 to 8 mph NW | 5% |
| Friday Night | 39°F | Partly Cloudy | 7 mph NW | 6% |
| Saturday | 55°F | Mostly Sunny | 8 mph NW | 12% |
| Saturday Night | 34°F | Partly Cloudy | 1 to 5 mph NW | 12% |
| Sunday | 57°F | Mostly Sunny | 1 to 9 mph W | 5% |
| Sunday Night | 34°F | Partly Cloudy | 6 mph W | 13% |
| Monday | 59°F | Sunny | 3 to 9 mph W | 12% |
| Monday Night | 36°F | Mostly Clear | 7 mph W | 10% |
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 3, 2026.