Trenton, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trenton, a city in Wayne County, Michigan.
Overnight
61°F
Mostly Cloudy
Mostly cloudy, with a low around 61. South southeast wind around 12 mph, with gusts as high as 22 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Trenton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Mostly Cloudy | 12 mph SSE | 9% |
| Wednesday | 66°F | Light Rain | 12 to 17 mph S | 100% |
| Wednesday Night | 51°F | Light Rain Likely then Mostly Cloudy | 10 to 17 mph SSW | 65% |
| Thursday | 61°F | Mostly Cloudy | 12 to 16 mph SW | 5% |
| Thursday Night | 45°F | Chance Light Rain | 5 to 10 mph W | 35% |
| Friday | 55°F | Chance Light Rain | 5 to 10 mph NW | 51% |
| Friday Night | 37°F | Chance Light Rain | 10 mph NW | 47% |
| Saturday | 52°F | Slight Chance Light Rain then Partly Sunny | 9 to 13 mph NW | 20% |
| Saturday Night | 34°F | Partly Cloudy | 8 mph WNW | 4% |
| Sunday | 56°F | Mostly Sunny | 8 to 13 mph W | 4% |
| Sunday Night | 35°F | Partly Cloudy | 7 to 12 mph W | 4% |
| Monday | 58°F | Sunny | 7 to 12 mph WSW | 3% |
| Monday Night | 39°F | Partly Cloudy | 10 mph SW | 1% |
| Tuesday | 61°F | Mostly Sunny | 12 mph W | 3% |
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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Dearborn
Dearborn Heights
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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 Nov 4, 2026.