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January 29th, 2026 :: 6:38 pm PST   

Local Weather Report for
Ontario
California, United States

 Current Ontario Weather Conditions Updated January 29th at 5:53 pm 
Temperature:72°F Dew Point:18°F
Barometer:30.15 inHg Wind:N 24 Mph
Humidity:12.6% Visibility:0M
 
 Ontario Weather Forecast Summary  
 
Today
Jan 29th
Friday
Jan 30th
Saturday
Jan 31st
Sunday
Feb 1st
Monday
Feb 2nd
Sunny Mostly Sunny Sunny Cloudy Cloudy
77°F
80°F
59°F
80°F
62°F
78°F
62°F
72°F
62°F
 
 Ontario Detailed Weather Forecast  
 
Thursday, January 29th, 2026
Evening Temperature: 63°F
Clear.
Friday, January 30th, 2026
Overnight Temperature: 60°F
Clear.
Morning Temperature: 74°F
Sunny.
Afternoon Temperature: 75°F
Mostly sunny.
Evening Temperature: 66°F
Clear.
Saturday, January 31st, 2026
Overnight Temperature: 62°F
Clear.
Morning Temperature: 76°F
Sunny.
Afternoon Temperature: 76°F
Sunny.
Evening Temperature: 67°F
Clear.
Sunday, February 1st, 2026
Overnight Temperature: 63°F
Clear.
Morning Temperature: 75°F
Sunny.
Afternoon Temperature: 74°F
A mix of cloud and sun.
Evening Temperature: 65°F
Cloudy.
Monday, February 2nd, 2026
Overnight Temperature: 63°F
Cloudy.
Morning Temperature: 70°F
Cloudy.
Afternoon Temperature: 70°F
Cloudy.
Evening Temperature: 63°F
Clear.
Tuesday, February 3rd, 2026
Overnight Temperature: 60°F
Clear.
Morning Temperature: 74°F
Sunny.
Afternoon Temperature: 75°F
Sunny.
Evening Temperature: 65°F
Clear.
Wednesday, February 4th, 2026
Overnight Temperature: 61°F
Clear.
Morning Temperature: 77°F
Sunny. Windy at times.
Afternoon Temperature: 75°F
Sunny. Windy.
Evening Temperature: 68°F
Clear. Windy at times.
Thursday, February 5th, 2026
Overnight Temperature: 63°F
Clear. Windy at times.
Morning Temperature: 73°F
Sunny. Windy at times.
Afternoon Temperature: 71°F
Sunny.
Evening Temperature: 63°F
Clear.
Friday, February 6th, 2026
Overnight Temperature: 59°F
Clear.
Morning Temperature: 71°F
Sunny.
Afternoon Temperature: 70°F
Sunny.
Evening Temperature: 63°F
Cloudy.





 

  [ Local Weather Report ]
Rancho Cucamonga, CA 
5:53 PM  72°F
 
 
Upland, CA 
5:55 PM  68°F
 
 
Chino, CA 
5:53 PM  75°F
 
 
Montclair, CA 
5:55 PM  68°F
 
 
Claremont, CA 
5:47 PM  70°F
 
 
Fontana, CA 
 
Norco, CA 
5:56 PM  72°F
 
 
Pomona, CA 
5:47 PM  70°F
 
 
La Verne Bracket, CA 
5:47 PM  70°F
 
 
La Verne, CA 
5:47 PM  70°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

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