Trenton, MI Weather & Growing Conditions
Today
81°F
Sunny
Sunny, with a high near 81. South wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 8 mph S | 0% |
| Tonight | 64°F | Mostly Clear | 3 to 8 mph S | 0% |
| Wednesday | 86°F | Sunny | 2 to 9 mph SW | 0% |
| Wednesday Night | 68°F | Partly Cloudy | 3 to 8 mph SSW | 9% |
| Thursday | 83°F | Showers And Thunderstorms Likely | 3 to 9 mph WSW | 58% |
| Thursday Night | 67°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 | 59% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 7 mph SW | 40% |
| Saturday | 84°F | Mostly Sunny | 5 to 10 mph SW | 7% |
| Saturday Night | 70°F | Partly Cloudy then Slight Chance Rain Showers | 6 to 10 mph SW | 17% |
| Sunday | 86°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 to 15 mph SW | 18% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms | 9 to 15 mph SW | 44% |
| Monday | 84°F | Chance Rain Showers | 12 mph WSW | 44% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 10 mph SW | 48% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Trenton, MI
Last spring frost
Apr 20
First fall frost
Oct 27
Growing season
188 days
Hardiness zone
6b
Explore more for Trenton, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Detroit Metro Ap, Mi (11.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.