Caledonia, Michigan Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Caledonia weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle73%0.07″84°68°—
- SundayJul 5Overcast35%—81°67°-3°
- MondayJul 6Overcast——79°58°-2°
- TuesdayJul 7Overcast——82°57°+3°
- WednesdayJul 8Light Drizzle12%—80°61°-2°
- ThursdayJul 9Light Drizzle22%—75°63°-5°
- FridayJul 10Overcast22%—82°61°+7°
AQI 45 (Good), driven by Ozone. AQI down 41 over the last 6 hours — air quality is improving sharply. Ozone at AQI 40 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 13 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 40 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 13 around 1 PM.
- Present
- AQI 40
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 13
PM × Wind × Precip
PM scrubbed by 3 hours of recent rain — PM2.5 down to 6.1 µg/m³, PM10 to 6.3 µg/m³.
- PM2.5/PM10
- 0.97
- 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
- 11:41 PM
- Moonset
- 10:44 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Caledonia at a glance
- Today vs. normal: 69°F — typical for the season
- Last frost: May 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 49316
15-Day Forecast — Caledonia
- Sat83°68°73%
- Sun81°67°35%
- Mon79°58°6%
- Tue82°57°2%
- Wed80°61°12%
- Thu75°63°22%
- Fri82°61°22%
- Sat78°60°15%
- Sun74°61°10%
- Mon88°60°9%
- Tue71°60°9%
- Wed79°56°16%
- Thu82°58°29%
- Fri81°67°39%
- Sat78°57°14%
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 — Caledonia
SPC includes Caledonia 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 Caledonia
- 49316