Harman US

Sinking Spring, OH Weather & Growing Conditions

This Afternoon
81°F
Mostly Cloudy
Mostly cloudy, with a high near 81. North wind around 7 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 81°F Mostly Cloudy 7 mph N 3%
Tonight 61°F Partly Cloudy then Patchy Fog 3 to 7 mph NE 1%
Saturday 84°F Areas Of Fog then Slight Chance Rain Showers 3 mph SE 16%
Saturday Night 66°F Chance Showers And Thunderstorms 5 mph S 35%
Sunday 84°F Chance Showers And Thunderstorms 3 to 7 mph SW 50%
Sunday Night 64°F Chance Showers And Thunderstorms 7 mph N 50%
Monday 77°F Chance Showers And Thunderstorms 8 mph NE 42%
Monday Night 60°F Chance Showers And Thunderstorms 6 to 9 mph NE 52%
Tuesday 75°F Chance Showers And Thunderstorms 9 mph NE 52%
Tuesday Night 60°F Chance Showers And Thunderstorms 5 to 9 mph NE 52%
Wednesday 73°F Chance Rain Showers 8 mph NE 52%
Wednesday Night 57°F Chance Showers And Thunderstorms 5 to 8 mph N 52%
Thursday 72°F Partly Sunny then Slight Chance Rain Showers 7 mph N 15%
Thursday Night 56°F Slight Chance Rain Showers then Mostly Cloudy 3 to 7 mph N 15%

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

Growing snapshot for Sinking Spring, OH

Last spring frost
Apr 24
First fall frost
Oct 20
Growing season
178 days
Hardiness zone
6b

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

Climate data from the nearest NOAA station, Hillsboro, Oh (16.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.