Ypsilanti, Michigan Weather
Fireflies rise from the lawn. Day 78 of spring. Read this microseason across nine climate regions →
Ypsilanti weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Heavy Rain38%0.96″86°59°—
- SaturdayJun 6Heavy Rain43%1.2″82°67°-4°
- SundayJun 7Overcast——81°59°-1°
- MondayJun 8Overcast——77°58°-4°
- TuesdayJun 9Light Drizzle59%—78°65°+1°
- WednesdayJun 10Overcast39%—77°68°-1°
- ThursdayJun 11Light Drizzle21%—82°69°+5°
AQI 82 (Moderate), driven by PM2.5. AQI down 18 over the last 6 hours — air quality is improving sharply. PM2.5 at 13.1 µg/m³ (AQI 58) with a 0.94 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 13.1 µg/m³ (AQI 58) with a 0.94 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.94
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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).
The higher the clouds, the finer the weather.
- Moonrise
- 4:41 AM
- Moonset
- 2:35 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Ypsilanti at a glance
- Today vs. normal: 9°F below 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 5, 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 — Ypsilanti
SPC has placed Ypsilanti in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3MRGLMarginal Risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
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.