Log of Detected Earthquakes 
Citizen Weather Observer Program (CWOP)
National Weather Service
Weather Underground
Current Chino Hills, Ca Weather:
21-Aug-2026 9:07am @
Temperature
Wind
Rain
Summary
|
|
80.8°F
24hr Difference 4.1°F
|
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|
NNE
1.2 Gust: 2.0 |
| 10 min avg | |
| Gust Today: 4.0 mph 3:53am | |
| 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 |
| 85 days since last rain. | |
|
Humidity & Barometer
Almanac
Moon
| Humidity: |
64 %
 |
| Dew Point: |
67.5°F
|
| Barometer: |
29.97 inHg
|
| Baro Trend: | Steady |
| Sunrise: | 6:16am |
| Sunset: | 7:31pm |
| Moonrise: | 3:25pm |
| Moonset: | 12:05am |
| Waxing Gibbous |
|
|
65% Illuminated |
Air Quality Index
UV Forecast
|
|
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: 3:56 am PDT Aug 21, 2026
Today
Sunny
Sunny
Tonight
Mostly Clear
Mostly Clear
Saturday
Sunny
Sunny
Saturday
Night
Clear
Night
Clear
Sunday
Sunny
Sunny
Sunday
Night
Mostly Clear
Night
Mostly Clear
Monday
Sunny
Sunny
Monday
Night
Clear
Night
Clear
Tuesday
Sunny
Sunny
Hi 95 °F
Lo 67 °F
Hi 96 °F
Lo 67 °F
Hi 95 °F
Lo 67 °F
Hi 96 °F
Lo 69 °F
Hi 98 °F
Weather Records for 8/21
| This Station* | |||
| High Temp | 100.4°F | 2025 | |
| Low Temp | 57.3°F | 2011 | |
*Starting 3/2005 | |||
More History Yearly Records | |||
| National Weather Service | ||
| High Temp | 103°F | 2020 |
| Low Temp | 57°F | 2011 |
Data from the nearest NWS official site: Ontario International Airport | ||
Chino Hills Seismograph (RaspberryShake 4D RD29A)
View live on:
Most Recent Earthquake within 200 mi. of Chino Hills (USGS)
3.0
10 km ENE of Coso Junction, CA
Fri Aug 21, 2026 8:16am
146 mi N from Chino Hills