Trenton, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trenton, a city in Wayne County, Michigan.
Today
82°F
Sunny
Sunny, with a high near 82. South wind around 8 mph.
7-day forecast for Trenton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Sunny | 8 mph S | 0% |
| Tonight | 64°F | Mostly Clear | 2 to 8 mph S | 0% |
| Wednesday | 87°F | Sunny | 2 to 8 mph SW | 0% |
| Wednesday Night | 68°F | Partly Cloudy | 3 to 7 mph SW | 10% |
| Thursday | 84°F | Showers And Thunderstorms Likely | 3 to 9 mph WSW | 59% |
| Thursday Night | 66°F | Showers And Thunderstorms Likely | 3 to 7 mph WSW | 59% |
| Friday | 84°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 7 mph SW | 58% |
| Friday Night | 67°F | Chance Showers And Thunderstorms | 7 mph SW | 40% |
| Saturday | 87°F | Mostly Sunny | 5 to 10 mph SW | 7% |
| Saturday Night | 69°F | Partly Cloudy then Slight Chance Rain Showers | 5 to 10 mph SW | 18% |
| Sunday | 89°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 14 mph SW | 18% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 8 to 14 mph SW | 44% |
| Monday | 88°F | Chance Rain Showers | 10 mph WSW | 44% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 7 to 10 mph WSW | 48% |
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 Aug 4, 2026.