Harman US

Corwin, OH Weather & Growing Conditions

Tonight
61°F
Mostly Cloudy then Showers And Thunderstorms Likely
A slight chance of rain showers between 2am and 4am, then showers and thunderstorms likely. Mostly cloudy, with a low around 61. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 61°F Mostly Cloudy then Showers And Thunderstorms Likely 10 to 15 mph SE 64%
Wednesday 69°F Showers And Thunderstorms 15 to 20 mph S 100%
Wednesday Night 51°F Rain Showers Likely 5 to 16 mph SW 56%
Thursday 67°F Mostly Sunny 5 to 13 mph SW 0%
Thursday Night 44°F Partly Cloudy 1 to 8 mph SW 1%
Friday 63°F Partly Sunny 1 to 9 mph NW 9%
Friday Night 38°F Partly Cloudy 5 to 9 mph NW 14%
Saturday 57°F Slight Chance Light Rain 5 to 8 mph NW 15%
Saturday Night 34°F Partly Cloudy 0 to 5 mph W 9%
Sunday 59°F Mostly Sunny 1 to 10 mph W 11%
Sunday Night 33°F Partly Cloudy 3 to 9 mph W 14%
Monday 61°F Slight Chance Light Rain 3 to 12 mph W 15%
Monday Night 36°F Mostly Clear 6 to 9 mph SW 13%
Tuesday 65°F Sunny 7 to 12 mph SW 3%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Corwin, OH

Last spring frost
Apr 18
First fall frost
Oct 24
Growing season
188 days
Hardiness zone
6b

Explore more for Corwin, OH: full frost dates · planting calendar · Ohio frost dates

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