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June 25th, 2026 :: 5:07 pm PDT   

Local Weather Report for
Ontario
California, United States

 Current Ontario Weather Conditions Updated June 25th at 3:53 pm 
Temperature:88°F Dew Point:52°F
Barometer:29.86 inHg Wind:N 19 Mph
Humidity:29.2% Visibility:0M
 
 Ontario Weather Forecast Summary  
 
Today
Jun 25th
Friday
Jun 26th
Saturday
Jun 27th
Sunday
Jun 28th
Monday
Jun 29th
Sunny Sunny Sunny Sunny Sunny
86°F
85°F
66°F
81°F
65°F
79°F
62°F
82°F
62°F
 
 Ontario Detailed Weather Forecast  
 
Thursday, June 25th, 2026
Evening Temperature: 74°F
Clear. Windy at times.
Friday, June 26th, 2026
Overnight Temperature: 66°F
Clear.
Morning Temperature: 73°F
Sunny.
Afternoon Temperature: 84°F
Sunny. Windy at times.
Evening Temperature: 71°F
Clear. Windy at times.
Saturday, June 27th, 2026
Overnight Temperature: 66°F
Clear.
Morning Temperature: 71°F
Sunny.
Afternoon Temperature: 79°F
Sunny. Windy at times.
Evening Temperature: 68°F
Clear with cloudy periods. Windy at times.
Sunday, June 28th, 2026
Overnight Temperature: 63°F
Clear with cloudy periods.
Morning Temperature: 68°F
Mostly sunny.
Afternoon Temperature: 77°F
Sunny. Windy at times.
Evening Temperature: 67°F
Clear. Windy at times.
Monday, June 29th, 2026
Overnight Temperature: 62°F
Clear.
Morning Temperature: 68°F
Sunny.
Afternoon Temperature: 81°F
Sunny. Windy at times.
Evening Temperature: 70°F
Clear. Windy at times.
Tuesday, June 30th, 2026
Overnight Temperature: 63°F
Clear.
Morning Temperature: 69°F
Sunny.
Afternoon Temperature: 79°F
Sunny. Windy at times.
Evening Temperature: 68°F
Clear. Windy at times.
Wednesday, July 1st, 2026
Overnight Temperature: 63°F
Clear.
Morning Temperature: 68°F
Mostly sunny.
Afternoon Temperature: 79°F
Sunny. Windy at times.
Evening Temperature: 69°F
Clear. Windy at times.
Thursday, July 2nd, 2026
Overnight Temperature: 63°F
Clear.
Morning Temperature: 70°F
Sunny.
Afternoon Temperature: 82°F
Sunny. Windy at times.
Evening Temperature: 72°F
Clear. Windy at times.
Friday, July 3rd, 2026
Overnight Temperature: 65°F
Mostly clear.
Morning Temperature: 71°F
Mostly sunny.
Afternoon Temperature: 83°F
Sunny. Windy at times.
Evening Temperature: 72°F
Clear. Windy at times.





 

  [ Local Weather Report ]
Rancho Cucamonga, CA 
3:53 PM  88°F
 
 
Upland, CA 
3:55 PM  82°F
 
 
Chino, CA 
3:53 PM  88°F
 
 
Montclair, CA 
3:55 PM  82°F
 
 
Claremont, CA 
3:47 PM  82°F
 
 
Fontana, CA 
 
Norco, CA 
 
Pomona, CA 
3:47 PM  82°F
 
 
La Verne Bracket, CA 
3:47 PM  82°F
 
 
La Verne, CA 
3:47 PM  82°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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