Celina, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Celina, a city in Mercer County, Ohio.
Overnight
63°F
Light Rain Likely
Rain likely after 2am. Mostly cloudy, with a low around 63. South wind 14 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Celina
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Light Rain Likely | 14 to 17 mph S | 68% |
| Wednesday | 67°F | Light Rain | 12 to 18 mph S | 99% |
| Wednesday Night | 50°F | Slight Chance Light Rain then Mostly Cloudy | 10 mph SW | 17% |
| Thursday | 61°F | Partly Sunny | 9 to 16 mph SW | 1% |
| Thursday Night | 46°F | Slight Chance Light Rain | 5 to 8 mph SW | 15% |
| Friday | 55°F | Chance Light Rain | 5 to 12 mph W | 44% |
| Friday Night | 37°F | Chance Light Rain then Mostly Cloudy | 7 to 10 mph NW | 44% |
| Saturday | 53°F | Partly Sunny | 6 to 9 mph NW | 3% |
| Saturday Night | 34°F | Partly Cloudy | 5 mph W | 3% |
| Sunday | 56°F | Sunny | 5 to 13 mph W | 3% |
| Sunday Night | 34°F | Mostly Clear | 5 to 8 mph W | 4% |
| Monday | 59°F | Sunny | 5 to 9 mph W | 3% |
| Monday Night | 39°F | Mostly Clear | 7 mph SW | 1% |
| Tuesday | 63°F | Sunny | 6 to 10 mph W | 1% |
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 Nov 4, 2026.