Harrison, OH Weather & Growing Conditions
This Afternoon
67°F
Rain
Rain. Cloudy, with a high near 67. South wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Rain | 9 to 14 mph S | 88% |
| Tonight | 47°F | Slight Chance Light Rain then Mostly Cloudy | 3 to 8 mph SW | 19% |
| Thursday | 64°F | Mostly Sunny | 5 to 12 mph SW | 0% |
| Thursday Night | 43°F | Mostly Cloudy | 2 to 6 mph W | 7% |
| Friday | 56°F | Mostly Cloudy | 2 to 9 mph NW | 12% |
| Friday Night | 34°F | Mostly Cloudy | 5 to 8 mph NW | 8% |
| Saturday | 53°F | Mostly Sunny | 3 to 7 mph NW | 0% |
| Saturday Night | 30°F | Partly Cloudy | 3 mph NW | 0% |
| Sunday | 57°F | Sunny | 1 to 7 mph W | 0% |
| Sunday Night | 32°F | Mostly Clear | 1 to 5 mph W | 0% |
| Monday | 62°F | Sunny | 1 to 6 mph W | 0% |
| Monday Night | 36°F | Mostly Clear | 3 mph SW | 0% |
| Tuesday | 65°F | Sunny | 3 to 7 mph W | 1% |
| Tuesday Night | 36°F | Mostly Clear | 3 mph NW | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harrison, OH
Last spring frost
Apr 19
First fall frost
Oct 22
Growing season
186 days
Hardiness zone
6b
Explore more for Harrison, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Fairfield, Oh (10.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.