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January 14th, 2026 :: 5:30 pm PST   

Local Weather Report for
Ontario
California, United States

 Current Ontario Weather Conditions Updated January 14th at 3:53 pm 
Mostly Cloudy
Temperature:81°F Dew Point:23°F
Barometer:30.04 inHg Wind:N 28 Mph
Humidity:11.8% Visibility:0M
 
 Ontario Weather Forecast Summary  
 
Today
Jan 14th
Thursday
Jan 15th
Friday
Jan 16th
Saturday
Jan 17th
Sunday
Jan 18th
Sunny Mix of Cloud and Sun Cloudy Cloudy Cloudy
81°F
78°F
61°F
77°F
60°F
76°F
61°F
77°F
63°F
 
 Ontario Detailed Weather Forecast  
 
Wednesday, January 14th, 2026
Evening Temperature: 65°F
Clear.
Thursday, January 15th, 2026
Overnight Temperature: 62°F
Clear.
Morning Temperature: 74°F
Mostly sunny.
Afternoon Temperature: 73°F
A mix of cloud and sun.
Evening Temperature: 65°F
Clear.
Friday, January 16th, 2026
Overnight Temperature: 61°F
Clear.
Morning Temperature: 73°F
Sunny.
Afternoon Temperature: 73°F
A mix of cloud and sun.
Evening Temperature: 64°F
Cloudy.
Saturday, January 17th, 2026
Overnight Temperature: 61°F
Cloudy.
Morning Temperature: 72°F
A mix of cloud and sun.
Afternoon Temperature: 73°F
Cloudy.
Evening Temperature: 65°F
Cloudy.
Sunday, January 18th, 2026
Overnight Temperature: 63°F
Cloudy.
Morning Temperature: 74°F
Sunny.
Afternoon Temperature: 73°F
Cloudy.
Evening Temperature: 65°F
Cloudy.
Monday, January 19th, 2026
Overnight Temperature: 61°F
Cloudy.
Morning Temperature: 72°F
A mix of cloud and sun.
Afternoon Temperature: 73°F
Sunny.
Evening Temperature: 64°F
Clear.
Tuesday, January 20th, 2026
Overnight Temperature: 59°F
Clear.
Morning Temperature: 71°F
Sunny.
Afternoon Temperature: 71°F
Sunny.
Evening Temperature: 62°F
Clear.
Wednesday, January 21st, 2026
Overnight Temperature: 58°F
Mostly clear.
Morning Temperature: 69°F
A mix of cloud and sun.
Afternoon Temperature: 69°F
Cloudy.
Evening Temperature: 62°F
Cloudy.
Thursday, January 22nd, 2026
Overnight Temperature: 58°F
Clear with cloudy periods.
Morning Temperature: 68°F
Cloudy.
Afternoon Temperature: 67°F
Cloudy.
Evening Temperature: 60°F
A mix of clear and cloudy skies.





 

  [ Local Weather Report ]
Rancho Cucamonga, CA 
3:53 PM  81°F
Mostly Cloudy
 
Upland, CA 
3:55 PM  81°F
 
 
Chino, CA 
3:53 PM  82°F
Overcast
 
Montclair, CA 
3:55 PM  81°F
 
 
Claremont, CA 
 
Fontana, CA 
 
Norco, CA 
3:56 PM  81°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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