Caledonia, Michigan Weather
Honeysuckle sweetens the night. Day 89 of spring. Read this microseason across nine climate regions →
Caledonia weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——72°47°—
- TuesdayJun 16Light Rain49%0.08″69°57°-3°
- WednesdayJun 17Heavy Rain96%2.5″67°55°-2°
- ThursdayJun 18Light Drizzle96%0.02″64°55°-3°
- FridayJun 19Overcast——65°51°+1°
- SaturdayJun 20Overcast——68°50°+3°
- SundayJun 21Light Drizzle37%0.01″63°57°-5°
AQI 44 (Good), driven by Ozone. AQI up 7 over the last 6 hours (gradual rise). Ozone at AQI 36. Overcast through the UV peak window (cloud cover ~96%) — afternoon ozone should stay flat.
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 36. Overcast through the UV peak window (cloud cover ~96%) — afternoon ozone should stay flat.
- Present
- AQI 36
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
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).








































Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 7:13 AM
- Moonset
- 10:41 PM
- In sign
- ♋︎ Cancer
Honeysuckle sweetens the night
Caledonia at a glance
- Today vs. normal: 11°F below the seasonal normal for this latitude
- Last frost: May 3 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Caledonia
- Mon72°47°0%
- Tue69°57°49%
- Wed67°55°96%
- Thu64°55°96%
- Fri65°51°2%
- Sat68°50°7%
- Sun63°57°37%
- Mon68°44°41%
- Tue72°48°10%
- Wed74°54°14%
- Thu79°61°18%
- Fri74°61°26%
- Sat74°58°32%
- Sun77°58°36%
- Mon76°66°39%
- Tue69°58°45%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 16, 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 has placed Caledonia in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYNONENo severe risk
- TOMORROWMRGLMarginal Risk
- DAY 3MRGLMarginal Risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
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