Howell, Michigan Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Howell weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle62%0.06″85°68°—
- SundayJul 5Showers48%0.48″78°62°-7°
- MondayJul 6Overcast21%—70°62°-8°
- TuesdayJul 7Clear14%—81°58°+11°
- WednesdayJul 8Overcast——83°59°+2°
- ThursdayJul 9Light Drizzle37%—76°63°-7°
- FridayJul 10Overcast36%—82°59°+6°
AQI 40 (Good), driven by PM2.5. AQI down 19 over the last 6 hours — air quality is improving sharply. PM scrubbed by 2 hours of recent rain — PM2.5 down to 10.9 µg/m³, PM10 to 11.6 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 ~84%) — 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 2 hours of recent rain — PM2.5 down to 10.9 µg/m³, PM10 to 11.6 µg/m³.
- PM2.5/PM10
- 0.94
- Wind
- breezy
- Recent rain
- 2h 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
- 11:34 PM
- Moonset
- 10:37 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Howell at a glance
- Today vs. normal: 69°F — typical for the season
- Last frost: May 2 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 48843, 48855
15-Day Forecast — Howell
- Sat82°67°62%
- Sun78°62°48%
- Mon70°62°21%
- Tue81°58°14%
- Wed83°59°9%
- Thu76°63°37%
- Fri82°59°36%
- Sat82°61°21%
- Sun77°60°14%
- Mon82°59°17%
- Tue72°62°12%
- Wed78°57°17%
- Thu81°58°42%
- Fri78°63°33%
- Sat75°58°13%
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 — Howell
SPC includes Howell 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 Howell
- 48843
- 48844