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October 15th, 2025 :: 11:49 pm PDT   

Local Weather Report for
Ontario
California, United States

 Current Ontario Weather Conditions Updated October 15th at 10:53 pm 
Temperature:57°F Dew Point:46°F
Barometer:30.01 inHg Wind:calm
Humidity:67.1% Visibility:0M
 
 Ontario Weather Forecast Summary  
 
Today
Oct 15th
Thursday
Oct 16th
Friday
Oct 17th
Saturday
Oct 18th
Sunday
Oct 19th
Mostly Sunny Sunny Sunny Mix of Cloud and Sun Sunny
68°F
77°F
60°F
81°F
65°F
83°F
66°F
80°F
65°F
 
 Ontario Detailed Weather Forecast  
 
Thursday, October 16th, 2025
Overnight Temperature: 60°F
Clear.
Morning Temperature: 74°F
Sunny.
Afternoon Temperature: 74°F
Sunny.
Evening Temperature: 67°F
Clear.
Friday, October 17th, 2025
Overnight Temperature: 65°F
Clear.
Morning Temperature: 78°F
Sunny.
Afternoon Temperature: 77°F
Sunny. Windy at times.
Evening Temperature: 69°F
Clear.
Saturday, October 18th, 2025
Overnight Temperature: 67°F
Clear.
Morning Temperature: 80°F
Sunny.
Afternoon Temperature: 78°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 70°F
Clear with cloudy periods.
Sunday, October 19th, 2025
Overnight Temperature: 67°F
Clear.
Morning Temperature: 77°F
Sunny.
Afternoon Temperature: 74°F
Sunny. Windy at times.
Evening Temperature: 66°F
Clear.
Monday, October 20th, 2025
Overnight Temperature: 62°F
Clear.
Morning Temperature: 70°F
Sunny.
Afternoon Temperature: 67°F
Sunny. Windy at times.
Evening Temperature: 62°F
Clear.
Tuesday, October 21st, 2025
Overnight Temperature: 60°F
Clear.
Morning Temperature: 70°F
Sunny.
Afternoon Temperature: 70°F
Sunny. Windy at times.
Evening Temperature: 64°F
Clear.
Wednesday, October 22nd, 2025
Overnight Temperature: 64°F
Clear.
Morning Temperature: 80°F
Sunny.
Afternoon Temperature: 79°F
Sunny.
Evening Temperature: 71°F
Clear.
Thursday, October 23rd, 2025
Overnight Temperature: 68°F
Clear.
Morning Temperature: 83°F
Sunny.
Afternoon Temperature: 82°F
Sunny.
Evening Temperature: 74°F
Clear.





 

  [ Local Weather Report ]
Rancho Cucamonga, CA 
10:53 PM  57°F
 
 
Upland, CA 
 
Chino, CA 
10:53 PM  54°F
 
 
Montclair, CA 
 
Claremont, CA 
 
Fontana, CA 
10:53 PM  57°F
 
 
Norco, CA 
10:56 PM  52°F
 
 
Pomona, CA 
 
La Verne Bracket, CA 
 
La Verne, CA 

 
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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