See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
26°
Clear
Feels Like: 24°
Min: 18°
Max: 28°
The next few hours will be overcast, with today reaching 27°C and dropping to 15°C. The coming days will be clear starting in the afternoon.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:39
Sunrise
18:51
Sunset
Moon
Waxing Crescent
11:15
Moonrise
20:45
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Chino Hills.
Resources
UV Index
Humidity
Weather in Chino Hills today, September 15, 2026
Cloud cover dominates in Chino Hills on September 15, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells.
The day peaks near 28°C and cools toward 18°C. Relative humidity sits between 47% and 90%, reaching its peak around 22:00. Airflow remains manageable, reaching about 6.5 km/h around 17:00.
The afternoon keeps an overcast feel, as cloud reaches about 79% around 23:00. Outdoor plans may still want a flexible backup. Expect visibility near 15.4 km, with poorer spells close to 13.5 km. The sun rises at 06:39 and sets at 18:51, for a total of 12 hours 11 minutes of sunlight today.
In short, cloud leads the story in Chino Hills on September 15, 2026; expect limited sun and a peak around 28°C.
Frequently asked questions about weather in Chino Hills
How warm does it get in Chino Hills?
The warmest month in Chino Hills is August, with average high temperatures of 31°C. The average temperature during this period is around 25°C.
How cold does it get in Chino Hills?
The coldest month in Chino Hills is January, with average low temperatures of 7°C. The average temperature during this period is around 12°C.
What is the wettest time of year in Chino Hills?
The wettest month in Chino Hills is January, with an average of 94mm of precipitation.
What is the driest time of year in Chino Hills?
The driest month in Chino Hills is July, with an average of 1mm of precipitation.
Explore more weather forecasts
- Diamond Bar, California
- New York City, New York
- Chino, California
- Los Angeles, California
- Pomona, California
- Brooklyn, New York
- Walnut, California
- Chicago, Illinois
- Montclair, California
- Houston, Texas
- La Verne, California
- Queens, New York
- Claremont, California
- Phoenix, Arizona
- Ontario, California
- Philadelphia, Pennsylvania
