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June 28th, 2026 :: 11:27 pm PDT   

Local Weather Report for
Ontario
California, United States

 Current Ontario Weather Conditions Updated June 28th at 9:53 pm 
Mostly Clear
Temperature:64°F Dew Point:55°F
Barometer:29.86 inHg Wind:N 17 Mph
Humidity:72.6% Visibility:0M
 
 Ontario Weather Forecast Summary  
 
Today
Jun 28th
Monday
Jun 29th
Tuesday
Jun 30th
Wednesday
Jul 1st
Thursday
Jul 2nd
Mostly Sunny Sunny Mostly Sunny Sunny Mostly Sunny
81°F
79°F
62°F
79°F
63°F
81°F
62°F
83°F
63°F
 
 Ontario Detailed Weather Forecast  
 
Monday, June 29th, 2026
Overnight Temperature: 62°F
Clear.
Morning Temperature: 69°F
Sunny.
Afternoon Temperature: 79°F
Sunny. Windy at times.
Evening Temperature: 67°F
Clear. Windy at times.
Tuesday, June 30th, 2026
Overnight Temperature: 64°F
A mix of clear and cloudy skies.
Morning Temperature: 68°F
Sunny.
Afternoon Temperature: 78°F
Sunny. Windy at times.
Evening Temperature: 68°F
Clear.
Wednesday, July 1st, 2026
Overnight Temperature: 63°F
Mostly clear.
Morning Temperature: 68°F
Mostly sunny.
Afternoon Temperature: 79°F
Sunny. Windy at times.
Evening Temperature: 69°F
Clear.
Thursday, July 2nd, 2026
Overnight Temperature: 64°F
Clear.
Morning Temperature: 70°F
Mostly sunny.
Afternoon Temperature: 83°F
Mostly sunny. Windy at times.
Evening Temperature: 73°F
Mostly clear.
Friday, July 3rd, 2026
Overnight Temperature: 69°F
A mix of cloudy and clear skies.
Morning Temperature: 75°F
Sunny.
Afternoon Temperature: 87°F
Sunny. Windy at times.
Evening Temperature: 77°F
Clear.
Saturday, July 4th, 2026
Overnight Temperature: 70°F
Clear.
Morning Temperature: 77°F
Sunny.
Afternoon Temperature: 90°F
Sunny. Windy at times.
Evening Temperature: 77°F
Clear. Windy at times.
Sunday, July 5th, 2026
Overnight Temperature: 70°F
Clear.
Morning Temperature: 77°F
Sunny.
Afternoon Temperature: 88°F
Sunny. Windy at times.
Evening Temperature: 77°F
Mostly clear. Windy at times.
Monday, July 6th, 2026
Overnight Temperature: 71°F
Clear.
Morning Temperature: 77°F
Sunny.
Afternoon Temperature: 90°F
Sunny. Windy at times.
Evening Temperature: 77°F
Clear. Windy at times.





 

  [ Local Weather Report ]
Rancho Cucamonga, CA 
9:53 PM  64°F
Mostly Clear
 
Upland, CA 
9:55 PM  63°F
 
 
Chino, CA 
9:53 PM  63°F
 
 
Montclair, CA 
9:55 PM  63°F
 
 
Claremont, CA 
 
Fontana, CA 
 
Norco, CA 
9:56 PM  63°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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