Harman US

Springboro, OH Weather & Growing Conditions

This Afternoon
85°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely after 3pm. Mostly cloudy, with a high near 85. Southwest wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 85°F Showers And Thunderstorms Likely 9 mph SW 67%
Tonight 68°F Showers And Thunderstorms Likely 8 mph S 70%
Sunday 86°F Slight Chance Showers And Thunderstorms 6 to 9 mph SW 52%
Sunday Night 60°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 10 mph NE 61%
Monday 71°F Chance Rain Showers 14 mph NE 37%
Monday Night 56°F Chance Showers And Thunderstorms 12 to 15 mph NE 37%
Tuesday 70°F Chance Showers And Thunderstorms 13 mph NE 26%
Tuesday Night 57°F Chance Showers And Thunderstorms 8 to 14 mph NE 43%
Wednesday 70°F Chance Rain Showers 10 mph NE 52%
Wednesday Night 57°F Chance Showers And Thunderstorms 6 to 13 mph NE 52%
Thursday 71°F Mostly Cloudy 7 to 10 mph NE 11%
Thursday Night 55°F Mostly Cloudy 6 to 10 mph NE 11%
Friday 72°F Mostly Sunny 7 to 10 mph NE 9%
Friday Night 53°F Partly Cloudy 6 to 10 mph NE 9%

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

Growing snapshot for Springboro, OH

Last spring frost
Apr 17
First fall frost
Oct 26
Growing season
192 days
Hardiness zone
6b

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

Climate data from the nearest NOAA station, Dayton Wright Bros Ap, Oh (3.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.