Greenville, Michigan Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Greenville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle48%0.06″86°69°—
- SundayJul 5Heavy Rain12%0.47″81°67°-5°
- MondayJul 6Overcast——80°57°-1°
- TuesdayJul 7Partly Cloudy——83°57°+3°
- WednesdayJul 8Overcast12%—82°61°-1°
- ThursdayJul 9Light Drizzle23%—77°64°-5°
- FridayJul 10Overcast23%—82°60°+5°
AQI 37 (Good), driven by PM2.5. AQI down 24 over the last 6 hours — air quality is improving sharply. PM scrubbed by 4 hours of recent rain — PM2.5 down to 7.5 µg/m³, PM10 to 8.2 µg/m³.
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 34 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 11 around 1 PM.
- Present
- AQI 34
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 11
PM × Wind × Precip
PM scrubbed by 4 hours of recent rain — PM2.5 down to 7.5 µg/m³, PM10 to 8.2 µg/m³.
- PM2.5/PM10
- 0.91
- Wind
- light
- Recent rain
- 4h in last 6h
- Pattern
- washed out
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
- 11:40 PM
- Moonset
- 10:42 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Greenville at a glance
- Today vs. normal: 69°F — typical for the season
- Last frost: May 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 48838
15-Day Forecast — Greenville
- Sat86°69°48%
- Sun81°67°12%
- Mon80°57°5%
- Tue83°57°1%
- Wed82°61°12%
- Thu77°64°23%
- Fri82°60°23%
- Sat78°61°13%
- Sun76°60°10%
- Mon85°60°8%
- Tue71°61°11%
- Wed81°56°16%
- Thu83°58°29%
- Fri82°67°39%
- Sat78°57°14%
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 — Greenville
SPC includes Greenville 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 Greenville
- 48838