Harman US

Troy, OH Weather & Growing Conditions

Tonight
62°F
Mostly Cloudy then Rain Showers Likely
Rain showers likely after 2am. Mostly cloudy, with a low around 62. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 62°F Mostly Cloudy then Rain Showers Likely 10 to 15 mph SE 61%
Wednesday 68°F Rain Showers 14 to 17 mph S 100%
Wednesday Night 50°F Chance Rain Showers then Mostly Cloudy 5 to 13 mph SW 31%
Thursday 65°F Mostly Sunny 6 to 13 mph SW 0%
Thursday Night 45°F Partly Cloudy 2 to 8 mph SW 1%
Friday 60°F Partly Sunny 2 to 9 mph NW 14%
Friday Night 39°F Partly Cloudy 6 to 9 mph NW 14%
Saturday 55°F Slight Chance Light Rain 8 mph NW 20%
Saturday Night 34°F Partly Cloudy 1 to 5 mph W 10%
Sunday 57°F Mostly Sunny 2 to 12 mph W 14%
Sunday Night 34°F Partly Cloudy 5 to 9 mph W 14%
Monday 60°F Slight Chance Light Rain 5 to 12 mph W 16%
Monday Night 37°F Mostly Clear 9 mph SW 12%
Tuesday 64°F Sunny 7 to 12 mph W 3%

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 Nov 4, 2026.