Cerrillos Hoyos, Puerto Rico Weather
First trades stir the ceiba canopy. Day 77 of spring. Read this microseason across nine climate regions →
Cerrillos Hoyos weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Heavy Drizzle86%0.07″86°75°—
- FridayJun 5Drizzle61%0.04″87°75°+1°
- SaturdayJun 6Light Showers91%0.08″86°76°-1°
- SundayJun 7Light Drizzle76%0.04″86°76°0°
- MondayJun 8Light Drizzle27%0.02″88°76°+2°
- TuesdayJun 9Overcast14%—85°76°-3°
- WednesdayJun 10Overcast——87°74°+2°
PM2.5/PM10 ratio 0.68 with 7 mph wind — characteristic of long-range haze transport rather than a local source. AQI down 10 over the last 6 hours (steady decline since this morning).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5/PM10 ratio 0.68 with 7 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.68
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- transport
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).










































A summer fog for fair, a winter fog for rain.
- Moonrise
- 1:57 AM
- Moonset
- 1:16 PM
- In sign
- ♑︎ Capricorn
First trades stir the ceiba canopy
Cerrillos Hoyos at a glance
- Today vs. normal: 22°F below the seasonal normal for this latitude
- Last frost: December 5 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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.