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June 18th, 2025 :: 5:56 am PDT   

Local Weather Report for
Ontario
California, United States

 Current Ontario Weather Conditions Updated June 18th at 4:53 am 
Temperature:19°C Dew Point:13°C
Barometer:101 kPa Wind:calm
Humidity:68.2% Visibility:0 Km
 
 Ontario Weather Forecast Summary  
 
Today
Jun 18th
Thursday
Jun 19th
Friday
Jun 20th
Saturday
Jun 21st
Sunday
Jun 22nd
Sunny Sunny Sunny Sunny Sunny
35°C
34°C
23°C
31°C
20°C
29°C
18°C
28°C
18°C
 
 Ontario Detailed Weather Forecast  
 
Wednesday, June 18th, 2025
Morning Temperature: 33°C
Sunny. Windy at times.
Afternoon Temperature: 31°C
Sunny. Windy at times.
Evening Temperature: 25°C
Clear.
Thursday, June 19th, 2025
Overnight Temperature: 23°C
Clear.
Morning Temperature: 32°C
Sunny. Windy at times.
Afternoon Temperature: 29°C
Sunny. Windy at times.
Evening Temperature: 23°C
Clear.
Friday, June 20th, 2025
Overnight Temperature: 22°C
Clear.
Morning Temperature: 29°C
Sunny. Windy at times.
Afternoon Temperature: 27°C
Sunny. Windy at times.
Evening Temperature: 21°C
Clear.
Saturday, June 21st, 2025
Overnight Temperature: 20°C
Clear.
Morning Temperature: 27°C
Sunny. Windy at times.
Afternoon Temperature: 24°C
Sunny. Windy at times.
Evening Temperature: 19°C
Clear.
Sunday, June 22nd, 2025
Overnight Temperature: 18°C
Clear.
Morning Temperature: 26°C
Sunny. Windy at times.
Afternoon Temperature: 25°C
Sunny. Windy at times.
Evening Temperature: 20°C
Clear.
Monday, June 23rd, 2025
Overnight Temperature: 19°C
Clear.
Morning Temperature: 27°C
Sunny. Windy at times.
Afternoon Temperature: 25°C
Sunny. Windy at times.
Evening Temperature: 19°C
Clear.
Tuesday, June 24th, 2025
Overnight Temperature: 18°C
Clear.
Morning Temperature: 25°C
Sunny. Windy at times.
Afternoon Temperature: 25°C
Sunny. Windy at times.
Evening Temperature: 20°C
Clear.
Wednesday, June 25th, 2025
Overnight Temperature: 20°C
Clear.
Morning Temperature: 32°C
Sunny. Windy at times.
Afternoon Temperature: 32°C
Sunny. Windy at times.
Evening Temperature: 25°C
Clear.
Thursday, June 26th, 2025
Overnight Temperature: 25°C
Clear.
Morning Temperature: 35°C
Sunny. Windy at times.
Afternoon Temperature: 33°C
Sunny. Windy at times.
Evening Temperature: 27°C
Clear.





 

  [ Local Weather Report ]
Rancho Cucamonga, CA 
4:53 AM  19°C
 
 
Upland, CA 
4:55 AM  21°C
 
 
Chino, CA 
4:53 AM  17°C
 
 
Montclair, CA 
4:55 AM  21°C
 
 
Claremont, CA 
 
Fontana, CA 
4:53 AM  19°C
 
 
Norco, CA 
4:56 AM  17°C
 
 
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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