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July 14th, 2026 :: 12:06 am PDT   

Local Weather Report for
Ontario
California, United States

 Current Ontario Weather Conditions Updated July 13th at 10:53 pm 
Mostly Clear
Temperature:72°F Dew Point:61°F
Barometer:30.01 inHg Wind:N 11 Mph
Humidity:68.8% Visibility:0M
 
 Ontario Weather Forecast Summary  
 
Today
Jul 14th
Wednesday
Jul 15th
Thursday
Jul 16th
Friday
Jul 17th
Saturday
Jul 18th
Sunny Sunny Sunny Mostly Sunny Mostly Sunny
96°F
101°F
80°F
102°F
83°F
92°F
77°F
91°F
75°F
 
 Ontario Detailed Weather Forecast  
 
Tuesday, July 14th, 2026
Overnight Temperature: 76°F
Clear with cloudy periods.
Morning Temperature: 83°F
Sunny.
Afternoon Temperature: 95°F
Sunny. Windy at times.
Evening Temperature: 86°F
Clear.
Wednesday, July 15th, 2026
Overnight Temperature: 81°F
Clear.
Morning Temperature: 89°F
Sunny.
Afternoon Temperature: 101°F
Sunny. Windy at times.
Evening Temperature: 91°F
Clear.
Thursday, July 16th, 2026
Overnight Temperature: 85°F
Clear.
Morning Temperature: 92°F
Sunny.
Afternoon Temperature: 100°F
Sunny. Windy at times.
Evening Temperature: 85°F
Clear.
Friday, July 17th, 2026
Overnight Temperature: 79°F
Mostly clear.
Morning Temperature: 82°F
Sunny.
Afternoon Temperature: 90°F
Mostly sunny. Windy at times.
Evening Temperature: 79°F
Clear with cloudy periods. Windy at times.
Saturday, July 18th, 2026
Overnight Temperature: 76°F
A mix of cloudy and clear skies.
Morning Temperature: 82°F
Sunny.
Afternoon Temperature: 89°F
Mostly sunny. Windy at times.
Evening Temperature: 80°F
Clear. Windy at times.
Sunday, July 19th, 2026
Overnight Temperature: 76°F
Clear.
Morning Temperature: 82°F
Sunny.
Afternoon Temperature: 93°F
Sunny. Windy at times.
Evening Temperature: 82°F
Clear. Windy at times.
Monday, July 20th, 2026
Overnight Temperature: 78°F
Clear.
Morning Temperature: 84°F
Sunny.
Afternoon Temperature: 96°F
Sunny. Windy at times.
Evening Temperature: 85°F
Clear.
Tuesday, July 21st, 2026
Overnight Temperature: 81°F
Clear.
Morning Temperature: 88°F
Sunny.
Afternoon Temperature: 99°F
Sunny. Windy at times.
Evening Temperature: 87°F
Clear.





 

  [ Local Weather Report ]
Rancho Cucamonga, CA 
10:53 PM  72°F
Mostly Clear
 
Upland, CA 
10:55 PM  70°F
 
 
Chino, CA 
10:53 PM  72°F
 
 
Montclair, CA 
10:55 PM  70°F
 
 
Claremont, CA 
 
Fontana, CA 
 
Norco, CA 
10:56 PM  72°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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