Maria Stein, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Maria Stein, a community in Mercer County, Ohio.
Tonight
62°F
Mostly Cloudy then Rain Showers Likely
Rain showers likely after 3am. Mostly cloudy, with a low around 62. South wind 12 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Maria Stein
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Mostly Cloudy then Rain Showers Likely | 12 to 16 mph S | 70% |
| Wednesday | 69°F | Rain Showers | 14 to 20 mph S | 99% |
| Wednesday Night | 49°F | Mostly Cloudy | 6 to 12 mph SW | 11% |
| Thursday | 63°F | Mostly Sunny | 7 to 16 mph SW | 0% |
| Thursday Night | 45°F | Mostly Cloudy | 2 to 8 mph SW | 2% |
| Friday | 58°F | Slight Chance Light Rain | 2 to 9 mph NW | 24% |
| Friday Night | 38°F | Slight Chance Light Rain | 8 mph NW | 23% |
| Saturday | 54°F | Slight Chance Light Rain | 8 mph NW | 16% |
| Saturday Night | 34°F | Partly Cloudy | 1 to 5 mph W | 7% |
| Sunday | 56°F | Mostly Sunny then Slight Chance Light Rain | 2 to 12 mph W | 15% |
| Sunday Night | 34°F | Slight Chance Light Rain then Partly Cloudy | 5 to 8 mph W | 15% |
| Monday | 59°F | Mostly Sunny | 5 to 12 mph W | 14% |
| Monday Night | 38°F | Mostly Clear | 9 mph SW | 12% |
| Tuesday | 63°F | Mostly Sunny | 8 to 12 mph W | 3% |
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 Nov 4, 2026.