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Trotwood, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Trotwood, a city in Montgomery County, Ohio.

Today
66°F
Rain
Rain. Cloudy, with a high near 66. South wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast for Trotwood

WhenTempForecastWindPrecip
Today 66°F Rain 14 to 20 mph S 90%
Tonight 49°F Chance Light Rain then Mostly Cloudy 7 to 13 mph SW 38%
Thursday 63°F Mostly Sunny 7 to 15 mph SW 0%
Thursday Night 45°F Mostly Cloudy 3 to 9 mph SW 5%
Friday 58°F Chance Light Rain 3 to 12 mph W 35%
Friday Night 37°F Chance Light Rain then Mostly Cloudy 8 to 12 mph NW 33%
Saturday 54°F Partly Sunny 10 mph NW 2%
Saturday Night 33°F Partly Cloudy 3 to 8 mph NW 2%
Sunday 56°F Sunny 5 to 12 mph W 3%
Sunday Night 34°F Mostly Clear 5 to 10 mph W 3%
Monday 61°F Sunny 5 to 10 mph W 2%
Monday Night 37°F Mostly Clear 8 mph SW 2%
Tuesday 65°F Sunny 7 to 10 mph W 1%
Tuesday Night 37°F Mostly Clear 3 to 7 mph NW 1%

Forecast source: National Weather Service (api.weather.gov) for Trotwood (39.792, -84.322). Updated through the day.

Growing snapshot for Trotwood

Last spring frost
Apr 18
First fall frost
Oct 25
Growing season
189 days
Hardiness zone
6b

More local growing data for Trotwood: nearby ZIP 45426 weather · frost dates · planting calendar · Ohio frost dates

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Climate data from the nearest NOAA station, Dayton Mcd, Oh (7 mi from Trotwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.