Current Chino Hills, Ca Weather:  31-Aug-2026 9:08pm  @ 
Temperature
Wind
Rain
Summary
Currently: 70.9, Max: 88.9, Min: 66.2 70.9°F Colder 1.9°F than last hour.



24hr Difference
-2.7°FColder 2.7°F than yesterday at this time.
  High Low
Today 88.9°F
1:56pm
66.2°F
6:40am
Yesterday 93.3°F
1:09pm
69.5°F
5:25am
Last Year 99.7°F 66.2°F
Wind from SSW  SSW  7.1
Gust: 7.0
10 min avg 7.2
Gust Today: 18.4 mph 5:26pm
Gust Month: 22.0 mph Aug 13
Rain Today: 0.00 in
Rain Rate (/hr): 0.000 in
Rain Yesterday: 0.00 in
This Month: 0.00 in
Season Total: 16.25 in
95 days since last rain.
Current Condition
Humidity & Barometer
Almanac
Moon
Humidity: 72 % Increased 7.0% since last hour.
Dew Point: 61.4°F Increased 0.9°F since last hour.
Barometer: 29.91 inHg Rising 0.02  inHg/hr
Baro Trend: Rising slowly
Sunrise: 6:24am
Sunset: 7:17pm
Moonrise: 9:08pm
Moonset: 10:59am
Waning Gibbous
Waning Gibbous, Moon at 18 days in cycle
83%
Illuminated
Air Quality Index
UV Forecast
44
 Good

9.1
 Very High 
The above live weather data is from a personal weather station near Alterra Park in Chino Hills, Ca. Click for Details

National Weather Service Forecast for Chino Hills, CA
Updated: 11:51 am PDT Aug 31, 2026
Tonight

Tonight: Mostly Clear
Mostly Clear
Tuesday

Tuesday: Sunny
Sunny
Tuesday
Night
Tuesday Night: Clear
Clear
Wednesday

Wednesday: Sunny
Sunny
Wednesday
Night
Wednesday Night: Clear
Clear
Thursday

Thursday: Sunny
Sunny
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday

Friday: Sunny
Sunny
Friday
Night
Friday Night: Mostly Clear then Slight Chance Rain Showers
Mostly Clear then Slight Chance Rain Showers
Lo 59 °F
Hi 86 °F
Lo 58 °F
Hi 85 °F
Lo 58 °F
Hi 85 °F
Lo 59 °F
Hi 86 °F
Lo 61 °F

Weather Records for 8/31
This Station*
High Temp109.1°F 2017
Low Temp55.2°F 2010
*Starting 3/2005

More History
Yearly Records
National Weather Service
High Temp112°F 2017
Low Temp56°F 1999

Data from the nearest NWS official site: Ontario International Airport

Most Recent Earthquake within 200 mi. of Chino Hills (USGS)
2.9
22 km SSW of La Quinta, CA
Mon Aug 31, 2026 4:04am
81 mi ESE from Chino Hills


Chino Hills, Ca. Weather | www.ChinoHillsWeather.com