Harman US

Troy, OH Weather & Growing Conditions

Tonight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. East wind 5 to 8 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 58°F Partly Cloudy 5 to 8 mph E 2%
Saturday 81°F Chance Showers And Thunderstorms 6 mph SE 53%
Saturday Night 66°F Showers And Thunderstorms Likely 6 mph S 74%
Sunday 80°F Showers And Thunderstorms Likely 5 to 8 mph W 59%
Sunday Night 60°F Showers And Thunderstorms Likely 9 to 13 mph NE 59%
Monday 72°F Showers And Thunderstorms Likely 9 to 14 mph NE 57%
Monday Night 56°F Chance Showers And Thunderstorms 10 to 15 mph NE 47%
Tuesday 71°F Chance Showers And Thunderstorms 10 to 14 mph NE 36%
Tuesday Night 57°F Chance Rain Showers 8 to 14 mph NE 39%
Wednesday 71°F Chance Rain Showers 10 mph NE 33%
Wednesday Night 56°F Slight Chance Rain Showers 7 to 10 mph N 17%
Thursday 71°F Mostly Cloudy 9 mph N 12%
Thursday Night 55°F Mostly Cloudy 5 to 9 mph N 12%
Friday 72°F Partly Sunny 6 to 10 mph N 7%

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

Growing snapshot for Troy, OH

Last spring frost
Apr 18
First fall frost
Oct 23
Growing season
186 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Piqua Wwtp, Oh (7.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.