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January 26th, 2026 :: 5:24 pm PST   

Local Weather Report for
Ontario
California, United States

 Current Ontario Weather Conditions Updated January 26th at 3:53 pm 
Partly Clear
Temperature:72°F Dew Point:12°F
Barometer:30.21 inHg Wind: 9 Mph
Humidity:9.8% Visibility:0M
 
 Ontario Weather Forecast Summary  
 
Today
Jan 26th
Tuesday
Jan 27th
Wednesday
Jan 28th
Thursday
Jan 29th
Friday
Jan 30th
Cloudy Cloudy Cloudy Mix of Cloud and Sun Sunny
70°F
70°F
54°F
71°F
57°F
77°F
57°F
80°F
58°F
 
 Ontario Detailed Weather Forecast  
 
Monday, January 26th, 2026
Evening Temperature: 57°F
Clear.
Tuesday, January 27th, 2026
Overnight Temperature: 54°F
Clear.
Morning Temperature: 66°F
Sunny.
Afternoon Temperature: 67°F
Cloudy.
Evening Temperature: 60°F
A mix of cloudy and clear skies.
Wednesday, January 28th, 2026
Overnight Temperature: 57°F
Cloudy.
Morning Temperature: 67°F
Cloudy.
Afternoon Temperature: 68°F
Cloudy.
Evening Temperature: 61°F
Cloudy.
Thursday, January 29th, 2026
Overnight Temperature: 58°F
A mix of cloudy and clear skies.
Morning Temperature: 72°F
Sunny.
Afternoon Temperature: 72°F
Sunny.
Evening Temperature: 62°F
Clear.
Friday, January 30th, 2026
Overnight Temperature: 58°F
Clear.
Morning Temperature: 75°F
Sunny.
Afternoon Temperature: 74°F
Sunny.
Evening Temperature: 65°F
Clear.
Saturday, January 31st, 2026
Overnight Temperature: 61°F
Cloudy.
Morning Temperature: 73°F
Cloudy.
Afternoon Temperature: 74°F
Cloudy.
Evening Temperature: 65°F
Cloudy.
Sunday, February 1st, 2026
Overnight Temperature: 60°F
Cloudy.
Morning Temperature: 68°F
A mix of cloud and sun.
Afternoon Temperature: 67°F
A mix of sun and cloud.
Evening Temperature: 60°F
A mix of clear and cloudy skies.
Monday, February 2nd, 2026
Overnight Temperature: 57°F
A mix of cloudy and clear skies.
Morning Temperature: 67°F
A mix of sun and cloud.
Afternoon Temperature: 68°F
Cloudy.
Evening Temperature: 61°F
Cloudy.
Tuesday, February 3rd, 2026
Overnight Temperature: 58°F
Clear.
Morning Temperature: 70°F
Sunny.
Afternoon Temperature: 71°F
Sunny.
Evening Temperature: 63°F
Clear.





 

  [ Local Weather Report ]
Rancho Cucamonga, CA 
3:53 PM  72°F
Partly Clear
 
Upland, CA 
3:55 PM  70°F
 
 
Chino, CA 
3:53 PM  72°F
Mostly Clear
 
Montclair, CA 
3:55 PM  70°F
 
 
Claremont, CA 
3:47 PM  72°F
 
 
Fontana, CA 
 
Norco, CA 
3:56 PM  72°F
 
 
Pomona, CA 
3:47 PM  72°F
 
 
La Verne Bracket, CA 
3:47 PM  72°F
 
 
La Verne, CA 
3:47 PM  72°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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