Romulus, Michigan Weather
Fireflies rise from the lawn. Day 76 of spring. Read this microseason across nine climate regions →
Romulus weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Partly Cloudy——82°51°—
- ThursdayJun 4Overcast——86°54°+4°
- FridayJun 5Light Drizzle44%—83°64°-3°
- SaturdayJun 6Showers65%0.03″78°65°-5°
- SundayJun 7Overcast27%—80°61°+2°
- MondayJun 8Overcast——81°61°+1°
- TuesdayJun 9Overcast10%—85°66°+4°
Ozone at AQI 91 — peak already passed at 1 PM under clear skies. AQI flat over the last 6 hours (within ±3 points). Levels should ease through evening.
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 91 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 91
- UV peak
- 4.7 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 91
PM × Wind × Precip
PM2.5 at 7.1 µg/m³, PM10 at 7.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.96
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 3:34 AM
- Moonset
- 12:22 PM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Romulus at a glance
- Today vs. normal: 7°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 3, 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 — Romulus
SPC has placed Romulus in the General Thunderstorms category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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.