Trenton, Michigan Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Trenton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——86°55°—
- FridayJun 5Overcast19%—88°63°+2°
- SaturdayJun 6Light Showers68%0.04″79°68°-9°
- SundayJun 7Overcast10%—78°61°-1°
- MondayJun 8Overcast——73°59°-5°
- TuesdayJun 9Overcast22%—78°62°+5°
- WednesdayJun 10Overcast23%—78°66°0°
Ozone at AQI 53. AQI down 5 over the last 6 hours (steady decline since this morning). Overcast through the UV peak window (cloud cover ~79%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 53. Overcast through the UV peak window (cloud cover ~79%) — afternoon ozone should stay flat.
- Present
- AQI 53
- UV peak
- 8.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 29
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:08 AM
- Moonset
- 1:26 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Trenton at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: April 29 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Trenton
SPC has placed Trenton in the Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3SLGTSlight Risk
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.