Marion, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marion, a city in Marion County, Ohio.
This Afternoon
76°F
Sunny
Sunny, with a high near 76. Northeast wind around 10 mph.
7-day forecast for Marion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Sunny | 10 mph NE | 0% |
| Tonight | 57°F | Partly Cloudy | 5 to 10 mph NE | 1% |
| Saturday | 80°F | Chance Rain Showers | 6 mph SE | 36% |
| Saturday Night | 66°F | Showers And Thunderstorms Likely | 7 mph S | 70% |
| Sunday | 79°F | Showers And Thunderstorms | 6 to 12 mph W | 90% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 13 mph NE | 64% |
| Monday | 69°F | Chance Rain Showers | 14 mph NE | 50% |
| Monday Night | 54°F | Chance Rain Showers | 12 to 15 mph NE | 50% |
| Tuesday | 70°F | Chance Rain Showers | 14 mph NE | 45% |
| Tuesday Night | 56°F | Chance Rain Showers | 14 mph NE | 53% |
| Wednesday | 68°F | Chance Rain Showers | 10 to 14 mph NE | 53% |
| Wednesday Night | 55°F | Chance Rain Showers | 10 mph NE | 41% |
| Thursday | 70°F | Slight Chance Rain Showers | 10 mph NE | 17% |
| Thursday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 6 to 10 mph N | 17% |
Forecast source: National Weather Service (api.weather.gov) for Marion (40.597, -83.123). Updated through the day.
Growing snapshot for Marion
Last spring frost
Apr 25
First fall frost
Oct 20
Growing season
178 days
Hardiness zone
6a
More local growing data for Marion: nearby ZIP 43302 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Marion 2 N, Oh (1.2 mi from Marion). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.