Owosso, Michigan Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Owosso weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain60%0.69″85°69°—
- SundayJul 5Light Drizzle35%0.02″80°69°-5°
- MondayJul 6Overcast——77°61°-3°
- TuesdayJul 7Mostly Clear——81°57°+4°
- WednesdayJul 8Overcast10%—83°59°+2°
- ThursdayJul 9Light Drizzle31%—77°64°-6°
- FridayJul 10Overcast25%—82°61°+5°
AQI 37 (Good), driven by PM2.5. AQI down 17 over the last 6 hours — air quality is improving sharply. PM scrubbed by 4 hours of recent rain — PM2.5 down to 10.1 µg/m³, PM10 to 10.7 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 30. Overcast through the UV peak window (cloud cover ~67%) — afternoon ozone should stay flat.
- Present
- AQI 30
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM scrubbed by 4 hours of recent rain — PM2.5 down to 10.1 µg/m³, PM10 to 10.7 µg/m³.
- PM2.5/PM10
- 0.94
- 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
- 11:36 PM
- Moonset
- 10:38 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Owosso at a glance
- Today vs. normal: 70°F — typical for the season
- Last frost: May 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 48867
15-Day Forecast — Owosso
- Sat85°69°60%
- Sun80°69°35%
- Mon77°61°6%
- Tue81°57°2%
- Wed83°59°10%
- Thu77°64°31%
- Fri82°61°25%
- Sat82°61°19%
- Sun77°62°16%
- Mon83°59°18%
- Tue73°62°11%
- Wed80°56°18%
- Thu82°58°30%
- Fri81°65°29%
- Sat73°58°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 — Owosso
SPC includes Owosso 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 Owosso
- 48867