Harman US

Marion, OH Weather & Growing Conditions

Today
84°F
Sunny
Sunny, with a high near 84. East wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 84°F Sunny 2 mph E 0%
Tonight 62°F Mostly Clear 2 mph E 0%
Wednesday 86°F Mostly Sunny then Slight Chance Showers And Thunderstorms 1 to 5 mph SE 17%
Wednesday Night 66°F Partly Cloudy 5 mph SW 14%
Thursday 86°F Mostly Sunny then Chance Showers And Thunderstorms 3 to 8 mph SW 53%
Thursday Night 67°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 3 to 7 mph SW 62%
Friday 84°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 3 to 8 mph SW 63%
Friday Night 66°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 7 mph SW 63%
Saturday 85°F Chance Showers And Thunderstorms 3 to 8 mph SW 27%
Saturday Night 66°F Chance Showers And Thunderstorms 3 to 7 mph SW 27%
Sunday 87°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 5 to 12 mph SW 19%
Sunday Night 69°F Chance Showers And Thunderstorms 7 to 10 mph SW 33%
Monday 88°F Chance Rain Showers 8 to 12 mph SW 37%
Monday Night 68°F Chance Showers And Thunderstorms 7 to 10 mph SW 44%

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

Growing snapshot for Marion, OH

Last spring frost
Apr 25
First fall frost
Oct 20
Growing season
178 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Marion 2 N, Oh (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.