Au Sable, Michigan Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Au Sable weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——81°51°—
- FridayJun 5Light Showers79%0.18″74°61°-7°
- SaturdayJun 6Heavy Drizzle79%0.02″70°59°-4°
- SundayJun 7Foggy——62°49°-8°
- MondayJun 8Overcast——65°49°+3°
- TuesdayJun 9Light Drizzle15%—72°54°+7°
- WednesdayJun 10Light Drizzle13%—73°58°+1°
Ozone at AQI 38. AQI down 6 over the last 6 hours (steady decline since this morning). Overcast through the UV peak window (cloud cover ~99%) — afternoon ozone should stay flat.
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 38. Overcast through the UV peak window (cloud cover ~99%) — afternoon ozone should stay flat.
- Present
- AQI 38
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 8
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).










































A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:17 AM
- Moonset
- 1:19 PM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Au Sable at a glance
- Today vs. normal: 16°F below the seasonal normal for this latitude
- Last frost: May 12 (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 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 — Au Sable
SPC has placed Au Sable 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.