Harrisburg, OH Weather & Growing Conditions
Tonight
60°F
Partly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 5am. Partly cloudy, with a low around 60. Southeast wind 8 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Partly Cloudy then Slight Chance Rain Showers | 8 to 12 mph SE | 19% |
| Wednesday | 68°F | Showers And Thunderstorms | 13 to 16 mph S | 96% |
| Wednesday Night | 53°F | Showers And Thunderstorms Likely then Mostly Cloudy | 6 to 15 mph SW | 69% |
| Thursday | 66°F | Mostly Sunny | 5 to 13 mph SW | 0% |
| Thursday Night | 46°F | Partly Cloudy | 2 to 7 mph SW | 1% |
| Friday | 62°F | Partly Sunny | 2 to 8 mph NW | 11% |
| Friday Night | 41°F | Slight Chance Light Rain | 8 mph NW | 16% |
| Saturday | 56°F | Mostly Sunny | 8 mph NW | 14% |
| Saturday Night | 36°F | Partly Cloudy | 2 to 6 mph W | 10% |
| Sunday | 57°F | Mostly Sunny | 3 to 9 mph W | 13% |
| Sunday Night | 35°F | Partly Cloudy | 8 mph W | 14% |
| Monday | 59°F | Slight Chance Light Rain | 6 to 10 mph W | 18% |
| Monday Night | 38°F | Slight Chance Light Rain then Mostly Clear | 9 mph W | 16% |
| Tuesday | 63°F | Mostly Sunny | 12 mph W | 4% |
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 Nov 4, 2026.