Log of Detected Earthquakes 
Citizen Weather Observer Program (CWOP)
National Weather Service
Weather Underground
Current Chino Hills, Ca Weather:
18-Aug-2026 5:06am @
Temperature
Wind
Rain
Summary
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66.6°F
24hr Difference 2.8°F 
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SSW
0.4 Gust: 0.0 |
| 10 min avg | |
| Gust Today: 3.5 mph 3:50am | |
| 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. | |
|
Humidity & Barometer
Almanac
Moon
| Humidity: |
64 %
|
| Dew Point: |
54.0°F
|
| Barometer: |
29.94 inHg
|
| Baro Trend: | Steady |
| Sunrise: | 6:14am |
| Sunset: | 7:35pm |
| Moonrise: | 12:28pm |
| Moonset: | 10:13pm |
| Waxing Crescent |
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35% Illuminated |
Air Quality Index
UV Forecast
|
|
Very High
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| 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
Partly Cloudy
Partly Cloudy
Tuesday
Mostly Sunny
Mostly Sunny
Tuesday
Night
Partly Cloudy
Night
Partly Cloudy
Wednesday
Sunny
Sunny
Wednesday
Night
Mostly Clear
Night
Mostly Clear
Thursday
Sunny
Sunny
Thursday
Night
Mostly Clear
Night
Mostly Clear
Friday
Sunny
Sunny
Friday
Night
Mostly Clear
Night
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 Temp | 109.1°F | 2020 | |
| Low Temp | 56.3°F | 2009 | |
*Starting 3/2005 | |||
More History Yearly Records | |||
| National Weather Service | ||
| High Temp | 108°F | 2020 |
| Low Temp | 59°F | 2009 |
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)
2.0
8 km SE of San Pedro, CA
Mon Aug 17, 2026 6:15pm
36 mi WSW from Chino Hills