Trenton, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trenton, a city in Wayne County, Michigan.
Overnight
58°F
Chance Light Rain
A chance of rain. Mostly cloudy. Low around 58, with temperatures rising to around 60 overnight. Northeast wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Trenton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Chance Light Rain | 7 mph NE | 26% |
| Saturday | 70°F | Rain Showers | 6 to 9 mph ESE | 84% |
| Saturday Night | 59°F | Showers And Thunderstorms | 6 to 9 mph E | 89% |
| Sunday | 69°F | Showers And Thunderstorms Likely | 8 to 14 mph N | 64% |
| Sunday Night | 54°F | Chance Rain Showers then Mostly Cloudy | 14 mph NE | 50% |
| Monday | 65°F | Slight Chance Rain Showers | 15 mph NE | 18% |
| Monday Night | 52°F | Mostly Cloudy | 17 mph NE | 14% |
| Tuesday | 64°F | Slight Chance Rain Showers | 17 mph NE | 23% |
| Tuesday Night | 54°F | Chance Rain Showers | 17 mph NE | 50% |
| Wednesday | 65°F | Chance Rain Showers | 16 mph ENE | 53% |
| Wednesday Night | 54°F | Chance Rain Showers | 9 to 13 mph NE | 53% |
| Thursday | 66°F | Slight Chance Rain Showers then Mostly Cloudy | 12 mph NE | 16% |
| Thursday Night | 54°F | Mostly Cloudy | 6 to 9 mph NNE | 9% |
| Friday | 69°F | Partly Sunny | 7 to 10 mph NNE | 9% |
Forecast source: National Weather Service (api.weather.gov) for Trenton (42.140, -83.193). Updated through the day.
Growing snapshot for Trenton
Last spring frost
Apr 20
First fall frost
Oct 27
Growing season
188 days
Hardiness zone
6b
More local growing data for Trenton: nearby ZIP 48183 weather · frost dates · planting calendar · Michigan frost dates
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Climate data from the nearest NOAA station, Detroit Metro Ap, Mi (9 mi from Trenton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.