Current Chino Hills, Ca Weather:  18-Aug-2026 3:20am  @ 
Temperature
Wind
Rain
Summary
Currently: 68.9, Max: 70.9, Min: 68.5 68.9°F Warmer 0.3°F than last hour.



24hr Difference
2.9°FWarmer 2.9°F than yesterday at this time.
  High Low
Today 70.9°F
1:25am
68.5°F
2:05am
Yesterday 97.0°F
1:51pm
63.4°F
5:25am
Last Year 91.3°F 60.5°F
Wind from SSW  SSW  0.2
Gust: 0.0
10 min avg 0.8
Gust Today: 2.3 mph 12:30am
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
82 days since last rain.
Current Condition
Humidity & Barometer
Almanac
Moon
Humidity: 57 %  
Dew Point: 53.0°F Increased 0.3°F since last hour.
Barometer: 29.95 inHg  
Baro Trend: Steady
Sunrise: 6:14am
Sunset: 7:35pm
Moonrise: 12:28pm
Moonset: 10:13pm
Waxing Crescent
Waxing Crescent, Moon at 5 days in cycle
34%
Illuminated
Air Quality Index
UV Forecast
24
 Good

 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: 1:21 am PDT Aug 18, 2026
Overnight

Overnight: Partly Cloudy
Partly Cloudy
Tuesday

Tuesday: Mostly Sunny
Mostly Sunny
Tuesday
Night
Tuesday Night: Partly Cloudy
Partly Cloudy
Wednesday

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

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

Friday: Sunny
Sunny
Friday
Night
Friday Night: Mostly Clear
Mostly Clear
Lo 65 °F
Hi 92 °F
Lo 66 °F
Hi 94 °F
Lo 66 °F
Hi 95 °F
Lo 66 °F
Hi 93 °F
Lo 66 °F

Weather Records for 8/18
This Station*
High Temp109.1°F 2020
Low Temp56.3°F 2009
*Starting 3/2005

More History
Yearly Records
National Weather Service
High Temp108°F 2020
Low Temp59°F 2009

Data from the nearest NWS official site: Ontario International Airport

Most Recent Earthquake within 200 mi. of Chino Hills (USGS)
2.0
8 km SE of San Pedro, CA
Mon Aug 17, 2026 6:15pm
36 mi WSW from Chino Hills


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