Harrison, OH Weather & Growing Conditions
Tonight
61°F
Partly Cloudy then Patchy Fog
Patchy fog after 5am. Partly cloudy, with a low around 61. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Partly Cloudy then Patchy Fog | 5 mph E | 3% |
| Saturday | 83°F | Areas Of Fog then Slight Chance Showers And Thunderstorms | 5 mph SE | 50% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 3 mph SE | 51% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 45% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 9 mph NE | 45% |
| Monday | 76°F | Chance Showers And Thunderstorms | 7 to 10 mph NE | 52% |
| Monday Night | 58°F | Chance Showers And Thunderstorms | 8 to 12 mph NE | 50% |
| Tuesday | 72°F | Chance Showers And Thunderstorms | 10 mph NE | 41% |
| Tuesday Night | 58°F | Chance Showers And Thunderstorms | 5 to 12 mph NE | 30% |
| Wednesday | 71°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 8 mph N | 21% |
| Wednesday Night | 57°F | Mostly Cloudy | 3 to 9 mph N | 14% |
| Thursday | 72°F | Partly Sunny | 5 to 8 mph N | 9% |
| Thursday Night | 56°F | Mostly Cloudy | 3 to 8 mph N | 8% |
| Friday | 72°F | Partly Sunny | 5 to 8 mph N | 5% |
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 Sep 19, 2026.