Hillsboro, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hillsboro, a city in Highland County, Ohio.
Today
85°F
Sunny
Sunny, with a high near 85. Northeast wind around 6 mph.
7-day forecast for Hillsboro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 6 mph NE | 0% |
| Tonight | 65°F | Partly Cloudy | 2 to 6 mph NE | 4% |
| Wednesday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 3 mph N | 45% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 39% |
| Thursday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 8 mph SW | 51% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms | 6 mph S | 51% |
| Friday | 84°F | Showers And Thunderstorms Likely | 5 to 9 mph SW | 74% |
| Friday Night | 66°F | Showers And Thunderstorms Likely | 3 to 7 mph SW | 74% |
| Saturday | 85°F | Chance Showers And Thunderstorms | 3 to 9 mph SW | 35% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 2 to 7 mph SW | 35% |
| Sunday | 87°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 to 9 mph SW | 16% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 7 mph SW | 16% |
| Monday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 7 to 12 mph SW | 28% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 5 to 8 mph SW | 29% |
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 Aug 4, 2026.