Celina, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Celina, a city in Mercer County, Ohio.
Tonight
57°F
Partly Cloudy
Partly cloudy, with a low around 57. East wind around 7 mph.
7-day forecast for Celina
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Partly Cloudy | 7 mph E | 3% |
| Saturday | 77°F | Rain Showers Likely | 7 mph SE | 71% |
| Saturday Night | 64°F | Showers And Thunderstorms Likely | 6 mph S | 71% |
| Sunday | 76°F | Showers And Thunderstorms | 5 to 10 mph NW | 76% |
| Sunday Night | 57°F | Showers And Thunderstorms | 10 to 14 mph NE | 76% |
| Monday | 67°F | Showers And Thunderstorms Likely | 12 to 15 mph NE | 55% |
| Monday Night | 54°F | Chance Showers And Thunderstorms | 12 to 16 mph NE | 48% |
| Tuesday | 67°F | Chance Showers And Thunderstorms | 12 to 15 mph NE | 36% |
| Tuesday Night | 55°F | Chance Rain Showers | 9 to 15 mph NE | 30% |
| Wednesday | 67°F | Chance Rain Showers | 10 mph NE | 28% |
| Wednesday Night | 55°F | Slight Chance Rain Showers then Mostly Cloudy | 6 to 10 mph N | 17% |
| Thursday | 69°F | Mostly Cloudy | 6 to 9 mph N | 10% |
| Thursday Night | 54°F | Mostly Cloudy | 5 to 9 mph N | 10% |
| Friday | 70°F | Partly Sunny | 5 to 9 mph N | 5% |
Forecast source: National Weather Service (api.weather.gov) for Celina (40.555, -84.561). Updated through the day.
Growing snapshot for Celina
Last spring frost
Apr 27
First fall frost
Oct 19
Growing season
175 days
Hardiness zone
6a
More local growing data for Celina: nearby ZIP 45822 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Celina 3 Ne, Oh (3.4 mi from Celina). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.