Constantine, Michigan Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Constantine weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain70%0.40″83°68°—
- SundayJul 5Light Drizzle64%0.03″81°69°-2°
- MondayJul 6Overcast24%—78°60°-3°
- TuesdayJul 7Clear11%—81°59°+3°
- WednesdayJul 8Overcast——81°62°0°
- ThursdayJul 9Drizzle23%0.04″74°63°-7°
- FridayJul 10Overcast25%—80°61°+6°
AQI 39 (Good), driven by Ozone. AQI down 35 over the last 6 hours — air quality is improving sharply. Ozone at AQI 34 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 15 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 34 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 15 around 1 PM.
- Present
- AQI 34
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 15
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
- 10:46 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Constantine at a glance
- Today vs. normal: 69°F — typical for the season
- Last frost: April 27 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 49042
15-Day Forecast — Constantine
- Sat82°68°70%
- Sun81°69°64%
- Mon78°60°24%
- Tue81°59°11%
- Wed81°62°9%
- Thu74°63°23%
- Fri80°61°25%
- Sat80°62°19%
- Sun74°63°9%
- Mon86°63°7%
- Tue72°60°13%
- Wed78°58°23%
- Thu79°58°43%
- Fri76°64°32%
- Sat75°61°18%
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 — Constantine
SPC includes Constantine 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 Constantine
- 49042