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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
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Miamisburg
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Union
Vandalia
West Carrollton
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.