St. Bernard, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Bernard, a village in Hamilton County, Ohio.
Today
90°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 3pm and 4pm, then showers and thunderstorms likely. Partly sunny, with a high near 90. Southeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for St. Bernard
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 6 mph SE | 55% |
| Tonight | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 mph SE | 63% |
| Sunday | 89°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 26% |
| Sunday Night | 63°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 to 10 mph N | 50% |
| Monday | 75°F | Chance Rain Showers | 7 to 12 mph NE | 52% |
| Monday Night | 57°F | Chance Showers And Thunderstorms | 7 to 12 mph NE | 52% |
| Tuesday | 73°F | Chance Showers And Thunderstorms | 7 to 10 mph NE | 32% |
| Tuesday Night | 59°F | Chance Showers And Thunderstorms | 3 to 10 mph N | 40% |
| Wednesday | 73°F | Chance Rain Showers | 7 mph NE | 48% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms | 2 to 8 mph NE | 48% |
| Thursday | 73°F | Mostly Cloudy | 3 to 8 mph N | 13% |
| Thursday Night | 56°F | Mostly Cloudy | 3 to 8 mph NE | 13% |
| Friday | 73°F | Mostly Sunny | 3 to 9 mph NE | 7% |
| Friday Night | 54°F | Partly Cloudy | 3 to 9 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov) for St. Bernard (39.172, -84.494). Updated through the day.
Growing snapshot for St. Bernard
Last spring frost
Apr 16
First fall frost
Oct 25
Growing season
190 days
Hardiness zone
6b
More local growing data for St. Bernard: nearby ZIP 45217 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Addyston
Amberley
Arlington Heights
Blue Ash
Blue Jay
Brecon
Bridgetown
Camp Dennison
Cherry Grove
Cheviot
Cincinnati
Cleves
Coldstream
Concorde Hills
Covedale
Deer Park
Delhi Hills
Delshire
Dent
Dillonvale
Dry Ridge
Dry Run
Dunlap
Elizabethtown
Elmwood Place
Evendale
Fairfax
Finneytown
Forest Park
Forestville
Climate data from the nearest NOAA station, Cincinnati Lunken Ap, Oh (6.1 mi from St. Bernard). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.