Tecumseh, Michigan Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Tecumseh weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain69%1.0″85°70°—
- SundayJul 5Light Showers66%0.29″77°70°-8°
- MondayJul 6Light Drizzle32%—75°61°-2°
- TuesdayJul 7Overcast——83°60°+8°
- WednesdayJul 8Overcast——83°61°0°
- ThursdayJul 9Light Drizzle32%0.01″75°67°-8°
- FridayJul 10Overcast30%—81°61°+6°
AQI 36 (Good), driven by PM2.5. AQI down 23 over the last 6 hours — air quality is improving sharply. PM scrubbed by 3 hours of recent rain — PM2.5 down to 8.9 µg/m³, PM10 to 9.3 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 35 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 35
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 11
PM × Wind × Precip
PM scrubbed by 3 hours of recent rain — PM2.5 down to 8.9 µg/m³, PM10 to 9.3 µg/m³.
- PM2.5/PM10
- 0.96
- 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
- 11:33 PM
- Moonset
- 10:38 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Tecumseh at a glance
- Today vs. normal: 71°F — typical for the season
- Last frost: April 28 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 49286
15-Day Forecast — Tecumseh
- Sat87°69°69%
- Sun77°70°66%
- Mon75°61°32%
- Tue83°60°7%
- Wed83°61°9%
- Thu75°67°32%
- Fri81°61°30%
- Sat81°62°24%
- Sun77°62°17%
- Mon83°60°9%
- Tue72°64°14%
- Wed77°59°16%
- Thu80°59°45%
- Fri76°64°39%
- Sat76°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 — Tecumseh
SPC includes Tecumseh 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 Tecumseh
- 49286