Saginaw, Michigan Weather
Fireflies rise from the lawn. Day 76 of spring. Read this microseason across nine climate regions →
Saginaw weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——84°47°—
- ThursdayJun 4Overcast——87°56°+3°
- FridayJun 5Heavy Drizzle69%0.07″77°65°-10°
- SaturdayJun 6Light Showers69%0.01″76°62°-1°
- SundayJun 7Foggy——70°56°-6°
- MondayJun 8Overcast——79°55°+9°
- TuesdayJun 9Light Drizzle13%—86°63°+7°
Ozone at AQI 500 now. AQI up 7 over the last 6 hours (gradual rise). With UV 8.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 547 by mid-afternoon.
AVOID OUTDOORS Avoid outdoor exertion. Keep windows closed; use HEPA filtration indoors if available.
What's driving it
Ozone × UV × Sky
Ozone at AQI 500 now. With UV 8.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 547 by mid-afternoon.
- Present
- AQI 500
- UV peak
- 8.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 547
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
- 3:41 AM
- Moonset
- 12:19 PM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Saginaw at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: May 7 (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 — Saginaw
SPC has placed Saginaw 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.