Current Conditions
More Information
WeatherCity Home
Switch to Metric Units
[ Almanac ]  
Sunrise:  6:54 am
Sunset:  5:05 pm
[ Moon Phases ]  

New Moon
Jan 19

First Quarter
Jan 26

Full Moon
Feb 3

Last Quarter
Feb 11




January 15th, 2026 :: 12:48 pm PST   

Local Weather Report for
Ontario
California, United States

 Current Ontario Weather Conditions Updated January 15th at 11:53 am 
Mostly Sunny
Temperature:81°F Dew Point:32°F
Barometer:30.04 inHg Wind:N 13 Mph
Humidity:17.1% Visibility:0M
 
 Ontario Weather Forecast Summary  
 
Today
Jan 15th
Friday
Jan 16th
Saturday
Jan 17th
Sunday
Jan 18th
Monday
Jan 19th
Mostly Sunny Cloudy Cloudy Cloudy Cloudy
78°F
77°F
61°F
75°F
60°F
77°F
62°F
74°F
61°F
 
 Ontario Detailed Weather Forecast  
 
Thursday, January 15th, 2026
Afternoon Temperature: 73°F
Sunny.
Evening Temperature: 65°F
Clear.
Friday, January 16th, 2026
Overnight Temperature: 61°F
Clear.
Morning Temperature: 73°F
Sunny.
Afternoon Temperature: 73°F
Sunny.
Evening Temperature: 64°F
Cloudy.
Saturday, January 17th, 2026
Overnight Temperature: 61°F
Cloudy.
Morning Temperature: 72°F
Cloudy.
Afternoon Temperature: 72°F
A mix of cloud and sun.
Evening Temperature: 65°F
Clear with cloudy periods.
Sunday, January 18th, 2026
Overnight Temperature: 62°F
Cloudy.
Morning Temperature: 73°F
Mostly sunny.
Afternoon Temperature: 73°F
Cloudy.
Evening Temperature: 65°F
A mix of cloudy and clear skies.
Monday, January 19th, 2026
Overnight Temperature: 61°F
Cloudy.
Morning Temperature: 71°F
Cloudy.
Afternoon Temperature: 71°F
Cloudy.
Evening Temperature: 64°F
Cloudy.
Tuesday, January 20th, 2026
Overnight Temperature: 62°F
Cloudy.
Morning Temperature: 69°F
Cloudy.
Afternoon Temperature: 68°F
A mix of cloud and sun.
Evening Temperature: 62°F
A mix of cloudy and clear skies.
Wednesday, January 21st, 2026
Overnight Temperature: 58°F
A mix of cloudy and clear skies.
Morning Temperature: 65°F
Cloudy.
Afternoon Temperature: 66°F
Cloudy.
Evening Temperature: 60°F
A mix of cloudy and clear skies.
Thursday, January 22nd, 2026
Overnight Temperature: 57°F
Clear with cloudy periods.
Morning Temperature: 64°F
Cloudy.
Afternoon Temperature: 63°F
Sunny.
Evening Temperature: 56°F
Clear with cloudy periods.
Friday, January 23rd, 2026
Overnight Temperature: 53°F
Cloudy.
Morning Temperature: 59°F
Sunny.
Afternoon Temperature: 64°F
Sunny with cloudy periods.
Evening Temperature: 62°F
Clear. Windy.





 

  [ Local Weather Report ]
Rancho Cucamonga, CA 
11:53 AM  81°F
Mostly Sunny
 
Upland, CA 
11:55 AM  77°F
 
 
Chino, CA 
11:53 AM  81°F
Mostly Sunny
 
Montclair, CA 
11:55 AM  77°F
 
 
Claremont, CA 
11:47 AM  81°F
 
 
Fontana, CA 
 
Norco, CA 
11:56 AM  81°F
 
 
Pomona, CA 
11:47 AM  81°F
 
 
La Verne Bracket, CA 
11:47 AM  81°F
 
 
La Verne, CA 
11:47 AM  81°F
 

 
This WeatherCity Weather Forecast for Ontario, California, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

  Ontario weather brought to you by WeatherCity Server: us-chi1   Rendered in 0.00629s  
Home   |   About WeatherCity