Celina, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Celina, a city in Mercer County, Ohio.
Tonight
67°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A chance of showers and thunderstorms before 11pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 67. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Celina
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 7 mph S | 60% |
| Sunday | 78°F | Showers And Thunderstorms Likely | 3 to 12 mph NW | 82% |
| Sunday Night | 56°F | Showers And Thunderstorms | 14 mph NE | 78% |
| Monday | 67°F | Chance Rain Showers | 15 mph NE | 46% |
| Monday Night | 52°F | Chance Rain Showers | 10 to 16 mph NE | 46% |
| Tuesday | 67°F | Slight Chance Rain Showers | 10 to 15 mph NE | 22% |
| Tuesday Night | 55°F | Chance Rain Showers | 9 to 15 mph NE | 32% |
| Wednesday | 68°F | Chance Rain Showers then Chance Showers And Thunderstorms | 10 mph NE | 51% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 7 to 12 mph NE | 51% |
| Thursday | 69°F | Mostly Cloudy | 8 mph NE | 12% |
| Thursday Night | 53°F | Mostly Cloudy | 3 to 8 mph NE | 12% |
| Friday | 71°F | Partly Sunny | 5 to 8 mph NE | 8% |
| Friday Night | 51°F | Partly Cloudy | 3 to 8 mph NE | 5% |
| Saturday | 73°F | Mostly Sunny | 3 to 7 mph NE | 4% |
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 20, 2026.