Corwin, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Corwin, a village in Warren County, Ohio.

This Afternoon

67°F

Light Rain

Rain and a slight chance of thunderstorms. Cloudy, with a high near 67. South wind around 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Corwin

When	Temp	Forecast	Wind	Precip
This Afternoon	67°F	Light Rain	17 mph S	87%
Tonight	49°F	Light Rain Likely then Mostly Cloudy	5 to 16 mph SW	63%
Thursday	65°F	Mostly Sunny	5 to 14 mph SW	0%
Thursday Night	42°F	Mostly Cloudy	2 to 8 mph SW	3%
Friday	57°F	Slight Chance Light Rain	2 to 10 mph NW	16%
Friday Night	33°F	Mostly Cloudy	5 to 10 mph NW	11%
Saturday	53°F	Partly Sunny	5 to 10 mph NW	1%
Saturday Night	30°F	Partly Cloudy	1 to 6 mph NW	0%
Sunday	57°F	Sunny	1 to 10 mph W	0%
Sunday Night	31°F	Mostly Clear	1 to 7 mph W	0%
Monday	62°F	Sunny	1 to 8 mph W	0%
Monday Night	34°F	Mostly Clear	6 mph SW	0%
Tuesday	65°F	Sunny	5 to 9 mph SW	1%
Tuesday Night	35°F	Mostly Clear	1 to 5 mph NW	3%

Forecast source: National Weather Service (api.weather.gov) for Corwin (39.523, -84.065). Updated through the day.

Growing snapshot for Corwin

Last spring frost

Apr 18

First fall frost

Oct 24

Growing season

188 days

Hardiness zone

More local growing data for Corwin: nearby ZIP 45068 weather · frost dates · planting calendar · Ohio frost dates

Nearby towns & communities

Butlerville Carlisle Five Points Four Bridges Franklin Harveysburg Hunter Kings Mills Landen Lebanon Loveland Park Maineville Mason Morrow Pleasant Plain Roachester South Lebanon Springboro Waynesville

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Climate data from the nearest NOAA station, Xenia 6 Sse, Oh (8.8 mi from Corwin). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.