St. Bernard, OH Weather & Growing Conditions
This Afternoon
68°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy, with a high near 68. South wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Light Rain | 15 mph S | 97% |
| Tonight | 50°F | Chance Light Rain then Mostly Cloudy | 3 to 10 mph SW | 41% |
| Thursday | 65°F | Mostly Sunny | 3 to 12 mph SW | 0% |
| Thursday Night | 45°F | Partly Cloudy | 1 to 6 mph SW | 1% |
| Friday | 58°F | Slight Chance Light Rain | 1 to 9 mph W | 15% |
| Friday Night | 36°F | Mostly Cloudy | 3 to 8 mph NW | 12% |
| Saturday | 54°F | Mostly Sunny | 3 to 8 mph NW | 0% |
| Saturday Night | 33°F | Partly Cloudy | 1 to 5 mph NW | 0% |
| Sunday | 57°F | Sunny | 1 to 7 mph W | 0% |
| Sunday Night | 34°F | Mostly Clear | 1 to 5 mph W | 0% |
| Monday | 62°F | Sunny | 0 to 6 mph W | 0% |
| Monday Night | 37°F | Mostly Clear | 3 mph SW | 0% |
| Tuesday | 65°F | Sunny | 3 to 7 mph W | 1% |
| Tuesday Night | 38°F | Mostly Clear | 0 to 3 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. Bernard, OH
Last spring frost
Apr 16
First fall frost
Oct 25
Growing season
190 days
Hardiness zone
6b
Explore more for St. Bernard, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Cincinnati Lunken Ap, Oh (6.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.