Harrisburg, OH Weather & Growing Conditions
Tonight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. Northeast wind 3 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Partly Cloudy | 3 to 8 mph NE | 2% |
| Saturday | 81°F | Widespread Fog then Slight Chance Showers And Thunderstorms | 5 mph E | 24% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 5 mph S | 54% |
| Sunday | 81°F | Showers And Thunderstorms Likely | 5 to 8 mph W | 69% |
| Sunday Night | 61°F | Showers And Thunderstorms Likely | 8 to 12 mph NE | 69% |
| Monday | 73°F | Chance Showers And Thunderstorms | 12 mph NE | 53% |
| Monday Night | 58°F | Chance Showers And Thunderstorms | 9 to 13 mph NE | 50% |
| Tuesday | 72°F | Chance Showers And Thunderstorms | 12 mph NE | 50% |
| Tuesday Night | 59°F | Showers And Thunderstorms Likely | 9 to 13 mph NE | 58% |
| Wednesday | 71°F | Rain Showers Likely | 12 mph NE | 58% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms | 7 to 10 mph NE | 48% |
| Thursday | 72°F | Slight Chance Rain Showers then Mostly Cloudy | 9 mph N | 17% |
| Thursday Night | 55°F | Mostly Cloudy | 5 to 9 mph N | 13% |
| Friday | 72°F | Partly Sunny | 6 to 10 mph N | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harrisburg, OH
Last spring frost
Apr 23
First fall frost
Oct 19
Growing season
177 days
Explore more for Harrisburg, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Columbus-Valley Crossing, Oh (14.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.