Maria Stein, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Maria Stein, a community in Mercer County, Ohio.
Overnight
56°F
Patchy Fog
Patchy fog after 5am. Partly cloudy, with a low around 56. East wind around 6 mph.
7-day forecast for Maria Stein
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Patchy Fog | 6 mph E | 2% |
| Saturday | 79°F | Showers And Thunderstorms Likely | 7 mph SE | 68% |
| Saturday Night | 65°F | Showers And Thunderstorms Likely | 6 mph S | 72% |
| Sunday | 78°F | Showers And Thunderstorms Likely | 5 to 10 mph W | 72% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 9 to 13 mph NE | 72% |
| Monday | 69°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 57% |
| Monday Night | 54°F | Chance Showers And Thunderstorms | 10 to 16 mph NE | 48% |
| Tuesday | 68°F | Chance Showers And Thunderstorms | 10 to 14 mph NE | 37% |
| Tuesday Night | 55°F | Chance Rain Showers | 8 to 15 mph NE | 32% |
| Wednesday | 69°F | Chance Rain Showers | 10 mph NE | 28% |
| Wednesday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph N | 17% |
| Thursday | 70°F | Mostly Cloudy | 6 to 9 mph N | 11% |
| Thursday Night | 53°F | Mostly Cloudy | 3 to 9 mph N | 11% |
| Friday | 70°F | Partly Sunny | 5 to 8 mph N | 5% |
Forecast source: National Weather Service (api.weather.gov) for Maria Stein (40.400, -84.479). Updated through the day.
Growing snapshot for Maria Stein
Last spring frost
Apr 27
First fall frost
Oct 19
Growing season
175 days
Hardiness zone
6a
More local growing data for Maria Stein: nearby ZIP 45860 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Celina 3 Ne, Oh (11.7 mi from Maria Stein). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.