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December 7th, 2025 :: 9:00 am PST   

Local Weather Report for
Ontario
California, United States

 Current Ontario Weather Conditions Updated December 7th at 7:53 am 
Mostly Sunny
Temperature:52°F Dew Point:39°F
Barometer:30.15 inHg Wind:calm
Humidity:62.0% Visibility:0M
 
 Ontario Weather Forecast Summary  
 
Today
Dec 7th
Monday
Dec 8th
Tuesday
Dec 9th
Wednesday
Dec 10th
Thursday
Dec 11th
Mostly Sunny Mostly Sunny Sunny Sunny Sunny
73°F
77°F
59°F
77°F
61°F
77°F
62°F
76°F
62°F
 
 Ontario Detailed Weather Forecast  
 
Sunday, December 7th, 2025
Morning Temperature: 70°F
Sunny.
Afternoon Temperature: 69°F
Sunny.
Evening Temperature: 62°F
Clear with cloudy periods.
Monday, December 8th, 2025
Overnight Temperature: 60°F
Mostly clear.
Morning Temperature: 73°F
Sunny.
Afternoon Temperature: 72°F
Sunny.
Evening Temperature: 64°F
Clear.
Tuesday, December 9th, 2025
Overnight Temperature: 61°F
Clear.
Morning Temperature: 74°F
Sunny.
Afternoon Temperature: 73°F
Sunny.
Evening Temperature: 65°F
Clear.
Wednesday, December 10th, 2025
Overnight Temperature: 62°F
Clear.
Morning Temperature: 74°F
Sunny.
Afternoon Temperature: 72°F
Sunny.
Evening Temperature: 65°F
Clear.
Thursday, December 11th, 2025
Overnight Temperature: 63°F
Clear.
Morning Temperature: 73°F
Sunny.
Afternoon Temperature: 72°F
Sunny.
Evening Temperature: 66°F
Clear.
Friday, December 12th, 2025
Overnight Temperature: 63°F
Clear.
Morning Temperature: 74°F
Sunny.
Afternoon Temperature: 73°F
Sunny.
Evening Temperature: 67°F
Clear.
Saturday, December 13th, 2025
Overnight Temperature: 64°F
Clear.
Morning Temperature: 75°F
Sunny.
Afternoon Temperature: 73°F
A mix of cloud and sun.
Evening Temperature: 66°F
Clear with cloudy periods.
Sunday, December 14th, 2025
Overnight Temperature: 64°F
Cloudy.
Morning Temperature: 72°F
Cloudy.
Afternoon Temperature: 70°F
Cloudy.
Evening Temperature: 65°F
A mix of cloudy and clear skies.
Monday, December 15th, 2025
Overnight Temperature: 62°F
A mix of cloudy and clear skies.
Morning Temperature: 73°F
A mix of cloud and sun.
Afternoon Temperature: 72°F
Mostly sunny.
Evening Temperature: 65°F
Clear.





 

  [ Local Weather Report ]
Rancho Cucamonga, CA 
7:53 AM  52°F
Mostly Sunny
 
Upland, CA 
 
Chino, CA 
7:53 AM  46°F
 
 
Montclair, CA 
 
Claremont, CA 
7:47 AM  52°F
 
 
Fontana, CA 
 
Norco, CA 
7:56 AM  45°F
 
 
Pomona, CA 
7:47 AM  52°F
 
 
La Verne Bracket, CA 
7:47 AM  52°F
 
 
La Verne, CA 
7:47 AM  52°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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