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July 18th, 2025 :: 5:37 pm PDT   

Local Weather Report for
Ontario
California, United States

 Current Ontario Weather Conditions Updated July 18th at 4:53 pm 
Mostly Cloudy
Temperature:81°F Dew Point:61°F
Barometer:29.92 inHg Wind:N 24 Mph
Humidity:51.0% Visibility:0M
 
 Ontario Weather Forecast Summary  
 
Today
Jul 18th
Saturday
Jul 19th
Sunday
Jul 20th
Monday
Jul 21st
Tuesday
Jul 22nd
Mostly Sunny Sunny Sunny Mostly Sunny Sunny
87°F
91°F
70°F
89°F
70°F
88°F
69°F
88°F
68°F
 
 Ontario Detailed Weather Forecast  
 
Friday, July 18th, 2025
Evening Temperature: 74°F
Clear with a chance of showers.
Saturday, July 19th, 2025
Overnight Temperature: 72°F
Clear.
Morning Temperature: 87°F
Sunny. Windy at times.
Afternoon Temperature: 85°F
Sunny. Windy at times.
Evening Temperature: 74°F
Clear.
Sunday, July 20th, 2025
Overnight Temperature: 73°F
Clear.
Morning Temperature: 85°F
Sunny. Windy at times.
Afternoon Temperature: 82°F
Sunny. Windy at times.
Evening Temperature: 72°F
Clear.
Monday, July 21st, 2025
Overnight Temperature: 70°F
Clear with cloudy periods.
Morning Temperature: 84°F
Sunny.
Afternoon Temperature: 81°F
Sunny. Windy at times.
Evening Temperature: 71°F
Clear.
Tuesday, July 22nd, 2025
Overnight Temperature: 69°F
Clear.
Morning Temperature: 84°F
Sunny. Windy at times.
Afternoon Temperature: 82°F
Sunny. Windy at times.
Evening Temperature: 72°F
Clear.
Wednesday, July 23rd, 2025
Overnight Temperature: 70°F
Clear.
Morning Temperature: 86°F
Sunny. Windy at times.
Afternoon Temperature: 85°F
Cloudy. Windy at times.
Evening Temperature: 76°F
Cloudy.
Thursday, July 24th, 2025
Overnight Temperature: 75°F
Cloudy.
Morning Temperature: 90°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 88°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 78°F
Clear.
Friday, July 25th, 2025
Overnight Temperature: 76°F
Clear.
Morning Temperature: 91°F
Sunny. Windy at times.
Afternoon Temperature: 88°F
Sunny. Windy at times.
Evening Temperature: 77°F
Cloudy.
Saturday, July 26th, 2025
Overnight Temperature: 75°F
Clear.
Morning Temperature: 91°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 88°F
Sunny. Windy at times.
Evening Temperature: 77°F
Clear.





 

  [ Local Weather Report ]
Rancho Cucamonga, CA 
4:53 PM  81°F
Mostly Cloudy
 
Upland, CA 
4:55 PM  77°F
 
 
Chino, CA 
4:53 PM  81°F
Mostly Cloudy
 
Montclair, CA 
4:55 PM  77°F
 
 
Claremont, CA 
4:47 PM  77°F
light rain
 
Fontana, CA 
4:53 PM  81°F
Mostly Cloudy
 
Norco, CA 
4:56 PM  82°F
 
 
Pomona, CA 
4:47 PM  77°F
light rain
 
La Verne Bracket, CA 
4:47 PM  77°F
light rain
 
La Verne, CA 
4:47 PM  77°F
light rain

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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