Harrison, Michigan Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Harrison weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Drizzle20%0.14″82°68°—
- SundayJul 5Overcast——79°63°-3°
- MondayJul 6Overcast——83°56°+4°
- TuesdayJul 7Overcast——86°56°+3°
- WednesdayJul 8Drizzle23%—83°63°-3°
- ThursdayJul 9Light Drizzle39%—83°61°0°
- FridayJul 10Overcast25%—81°56°-2°
AQI 36 (Good), driven by Ozone. AQI down 11 over the last 6 hours (gradual decline). Ozone at AQI 36 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 11 around 1 PM.
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 36 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 36
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 11
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
- 10:39 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Harrison at a glance
- Today vs. normal: 68°F — typical for the season
- Last frost: May 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 48625
15-Day Forecast — Harrison
- Sat83°67°20%
- Sun79°63°7%
- Mon83°56°4%
- Tue86°56°3%
- Wed83°63°23%
- Thu83°61°39%
- Fri81°56°25%
- Sat79°58°17%
- Sun73°59°11%
- Mon78°57°12%
- Tue69°61°12%
- Wed82°56°16%
- Thu83°60°33%
- Fri77°66°33%
- Sat81°55°16%
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 — Harrison
SPC includes Harrison 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 Harrison
- 48625