Chino Hills, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Chino Hills weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——86°64°—
- MondayJul 6Clear——87°59°+1°
- TuesdayJul 7Clear——89°62°+2°
- WednesdayJul 8Clear——93°68°+4°
- ThursdayJul 9Clear——93°69°0°
- FridayJul 10Overcast——91°69°-2°
- SaturdayJul 11Overcast——86°70°-5°
AQI 50 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 14.1 µg/m³ (AQI 60) with a 0.77 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
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 12 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 63 around 1 PM.
- Present
- AQI 40
- UV peak
- 11.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 63
PM × Wind × Precip
PM2.5 at 14.1 µg/m³ (AQI 60) with a 0.77 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.77
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:07 PM
- Moonset
- 11:10 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Chino Hills at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: March 11 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 91709
16-Day Forecast — Chino Hills
- Sun86°64°1%
- Mon87°59°1%
- Tue89°62°0%
- Wed93°68°0%
- Thu93°69°0%
- Fri91°69°0%
- Sat86°70°0%
- Sun86°68°2%
- Mon97°70°5%
- Tue98°75°11%
- Wed97°77°5%
- Thu101°79°13%
- Fri100°79°14%
- Sat94°76°12%
- Sun97°76°19%
- Mon99°74°18%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Chino Hills
Right now in the garden
Peak growing season
As of July 5, 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.
ZIP codes in Chino Hills
- 91709