Napoleon, Michigan Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Napoleon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain67%0.22″84°69°—
- SundayJul 5Rain63%0.26″79°68°-5°
- MondayJul 6Light Drizzle26%0.06″72°60°-7°
- TuesdayJul 7Partly Cloudy——82°59°+10°
- WednesdayJul 8Overcast13%—82°60°0°
- ThursdayJul 9Light Drizzle29%—74°65°-8°
- FridayJul 10Overcast29%—81°61°+7°
AQI 38 (Good), driven by PM2.5. AQI down 17 over the last 6 hours — air quality is improving sharply. PM scrubbed by 3 hours of recent rain — PM2.5 down to 8.4 µg/m³, PM10 to 8.9 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 42. Overcast through the UV peak window (cloud cover ~86%) — afternoon ozone should stay flat.
- Present
- AQI 42
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 9
PM × Wind × Precip
PM scrubbed by 3 hours of recent rain — PM2.5 down to 8.4 µg/m³, PM10 to 8.9 µg/m³.
- PM2.5/PM10
- 0.94
- Wind
- light
- Recent rain
- 3h 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
- 11:35 PM
- Moonset
- 10:39 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Napoleon at a glance
- Today vs. normal: 70°F — typical for the season
- Last frost: April 29 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 49261
15-Day Forecast — Napoleon
- Sat84°68°67%
- Sun79°68°63%
- Mon72°60°26%
- Tue82°59°6%
- Wed82°60°13%
- Thu74°65°29%
- Fri81°61°29%
- Sat80°61°23%
- Sun76°62°15%
- Mon84°60°11%
- Tue72°64°12%
- Wed77°57°16%
- Thu80°59°45%
- Fri79°63°39%
- Sat75°61°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 — Napoleon
SPC includes Napoleon in the general thunderstorm area today — no severe risk, but storms are possible.
- 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.
ZIP codes in Napoleon
- 49201
- 49261