Marcellus, Michigan Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Marcellus weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain78%0.65″82°70°—
- SundayJul 5Heavy Showers48%0.34″80°68°-2°
- MondayJul 6Overcast14%—78°59°-2°
- TuesdayJul 7Partly Cloudy——81°58°+3°
- WednesdayJul 8Overcast——81°61°0°
- ThursdayJul 9Drizzle26%0.05″74°62°-7°
- FridayJul 10Overcast26%—81°60°+7°
AQI 39 (Good), driven by Ozone. AQI down 53 over the last 6 hours — air quality is improving sharply. Ozone at AQI 30 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 9 around 1 PM.
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 30 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 9 around 1 PM.
- Present
- AQI 30
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 9
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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:41 PM
- Moonset
- 10:46 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Marcellus at a glance
- Today vs. normal: 70°F — typical for the season
- Last frost: April 28 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 49067
15-Day Forecast — Marcellus
- Sat82°69°78%
- Sun80°68°48%
- Mon78°59°14%
- Tue81°58°5%
- Wed81°61°8%
- Thu74°62°26%
- Fri81°60°26%
- Sat80°62°19%
- Sun74°62°10%
- Mon87°62°7%
- Tue71°60°12%
- Wed78°57°22%
- Thu79°58°35%
- Fri76°64°36%
- Sat75°60°16%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 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 — Marcellus
SPC includes Marcellus in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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.
ZIP codes in Marcellus
- 49067