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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
67°F
Rain
Rain and a slight chance of thunderstorms. Cloudy, with a high near 67. South wind 12 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast for St. Bernard

WhenTempForecastWindPrecip
Today 67°F Rain 12 to 15 mph S 100%
Tonight 51°F Chance Light Rain then Mostly Cloudy 3 to 9 mph SW 30%
Thursday 65°F Mostly Sunny 3 to 12 mph SW 0%
Thursday Night 46°F Partly Cloudy 0 to 6 mph SW 0%
Friday 59°F Partly Sunny then Slight Chance Light Rain 0 to 9 mph NW 19%
Friday Night 39°F Slight Chance Light Rain then Mostly Cloudy 3 to 8 mph NW 19%
Saturday 55°F Mostly Sunny 3 to 8 mph NW 0%
Saturday Night 35°F Partly Cloudy 3 mph NW 0%
Sunday 58°F Mostly Sunny 1 to 9 mph W 2%
Sunday Night 35°F Mostly Clear 1 to 6 mph W 2%
Monday 61°F Sunny 1 to 7 mph SW 2%
Monday Night 38°F Mostly Clear 5 mph SW 1%
Tuesday 65°F Sunny 3 to 8 mph SW 1%
Tuesday Night 38°F Mostly Clear 0 to 3 mph NW 1%

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

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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 Nov 4, 2026.