Trenton, MI Weather & Growing Conditions
This Afternoon
66°F
Light Rain
Rain. Cloudy. High near 66, with temperatures falling to around 62 in the afternoon. South wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Light Rain | 16 mph S | 89% |
| Tonight | 52°F | Light Rain Likely then Mostly Cloudy | 12 to 16 mph SW | 68% |
| Thursday | 60°F | Mostly Cloudy | 12 to 16 mph SW | 5% |
| Thursday Night | 45°F | Chance Light Rain | 12 mph WSW | 34% |
| Friday | 54°F | Chance Light Rain | 13 mph WNW | 51% |
| Friday Night | 38°F | Chance Light Rain | 13 mph NW | 48% |
| Saturday | 52°F | Slight Chance Light Rain then Partly Sunny | 13 mph NW | 20% |
| Saturday Night | 37°F | Partly Cloudy | 8 mph WNW | 4% |
| Sunday | 55°F | Sunny | 8 to 14 mph W | 4% |
| Sunday Night | 38°F | Mostly Clear | 8 to 12 mph W | 4% |
| Monday | 56°F | Mostly Sunny | 7 to 12 mph W | 3% |
| Monday Night | 41°F | Mostly Clear | 13 mph WSW | 1% |
| Tuesday | 59°F | Mostly Sunny | 12 mph W | 3% |
| Tuesday Night | 40°F | Partly Cloudy | 5 to 8 mph WNW | 15% |
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 Nov 4, 2026.