Harrisville, Michigan Weather
Fireflies rise from the lawn. Day 78 of spring. Read this microseason across nine climate regions →
Harrisville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Drizzle49%0.03″82°59°—
- SaturdayJun 6Overcast31%—79°61°-3°
- SundayJun 7Overcast——67°49°-12°
- MondayJun 8Overcast——67°51°0°
- TuesdayJun 9Drizzle32%0.13″62°54°-5°
- WednesdayJun 10Heavy Drizzle23%0.18″73°59°+11°
- ThursdayJun 11Thunderstorm——87°63°+14°
AQI 82 (Moderate), driven by Ozone. AQI down 11 over the last 6 hours (steady decline since this morning). Ozone at AQI 65. Overcast through the UV peak window (cloud cover ~100%) — 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 65. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 65
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 14
PM × Wind × Precip
PM2.5 at 8.7 µg/m³ (AQI 48) with a 0.91 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.91
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 4:47 AM
- Moonset
- 2:26 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Harrisville at a glance
- Today vs. normal: 11°F below the seasonal normal for this latitude
- Last frost: May 14 (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 5, 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 — Harrisville
SPC has placed Harrisville in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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.