Harman US

Harrison, OH Weather & Growing Conditions

Today
89°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 3pm and 4pm, then showers and thunderstorms likely. Some of the storms could produce heavy rain. Partly sunny, with a high near 89. Southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 89°F Partly Sunny then Slight Chance Showers And Thunderstorms 5 mph SE 68%
Tonight 68°F Showers And Thunderstorms Likely 3 mph S 60%
Sunday 88°F Mostly Sunny then Chance Showers And Thunderstorms 6 mph SW 27%
Sunday Night 61°F Chance Showers And Thunderstorms 6 to 9 mph N 53%
Monday 73°F Chance Rain Showers 7 to 10 mph NE 54%
Monday Night 56°F Chance Showers And Thunderstorms 7 to 10 mph NE 50%
Tuesday 72°F Chance Showers And Thunderstorms 9 mph NE 31%
Tuesday Night 57°F Chance Showers And Thunderstorms 3 to 10 mph NE 37%
Wednesday 72°F Chance Rain Showers 3 to 7 mph NE 40%
Wednesday Night 56°F Chance Showers And Thunderstorms 2 to 7 mph N 40%
Thursday 72°F Mostly Cloudy 2 to 8 mph N 14%
Thursday Night 55°F Mostly Cloudy 2 to 8 mph N 14%
Friday 73°F Mostly Sunny 3 to 8 mph NE 8%
Friday Night 52°F Partly Cloudy 3 to 8 mph NE 5%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Harrison, OH

Last spring frost
Apr 16
First fall frost
Oct 28
Growing season
193 days
Hardiness zone
6b

Explore more for Harrison, OH: full frost dates · planting calendar · Ohio frost dates

Climate data from the nearest NOAA station, Cheviot 3 W, Oh (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.