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January 16th, 2026 :: 1:47 pm PST   

Local Weather Report for
Ontario
California, United States

 Current Ontario Weather Conditions Updated January 16th at 12:53 pm 
Mostly Sunny
Temperature:79°F Dew Point:36°F
Barometer:29.98 inHg Wind:N 15 Mph
Humidity:21.0% Visibility:0M
 
 Ontario Weather Forecast Summary  
 
Today
Jan 16th
Saturday
Jan 17th
Sunday
Jan 18th
Monday
Jan 19th
Tuesday
Jan 20th
Cloudy Cloudy Cloudy Cloudy Mostly Sunny
81°F
79°F
61°F
76°F
62°F
74°F
60°F
75°F
59°F
 
 Ontario Detailed Weather Forecast  
 
Friday, January 16th, 2026
Afternoon Temperature: 74°F
Sunny.
Evening Temperature: 64°F
Cloudy.
Saturday, January 17th, 2026
Overnight Temperature: 61°F
Cloudy.
Morning Temperature: 74°F
A mix of cloud and sun.
Afternoon Temperature: 73°F
Cloudy.
Evening Temperature: 65°F
Cloudy.
Sunday, January 18th, 2026
Overnight Temperature: 62°F
Cloudy.
Morning Temperature: 73°F
A mix of cloud and sun.
Afternoon Temperature: 72°F
Cloudy.
Evening Temperature: 64°F
A mix of cloudy and clear skies.
Monday, January 19th, 2026
Overnight Temperature: 61°F
Clear.
Morning Temperature: 71°F
Sunny with cloudy periods.
Afternoon Temperature: 71°F
Cloudy.
Evening Temperature: 64°F
Cloudy.
Tuesday, January 20th, 2026
Overnight Temperature: 60°F
Mostly clear.
Morning Temperature: 71°F
Sunny.
Afternoon Temperature: 71°F
Sunny.
Evening Temperature: 63°F
Mostly clear.
Wednesday, January 21st, 2026
Overnight Temperature: 60°F
A mix of cloudy and clear skies.
Morning Temperature: 69°F
Cloudy.
Afternoon Temperature: 68°F
Cloudy.
Evening Temperature: 62°F
Clear with cloudy periods.
Thursday, January 22nd, 2026
Overnight Temperature: 58°F
Clear.
Morning Temperature: 68°F
Sunny.
Afternoon Temperature: 69°F
A mix of cloud and sun.
Evening Temperature: 62°F
A mix of cloudy and clear skies.
Friday, January 23rd, 2026
Overnight Temperature: 60°F
Cloudy.
Morning Temperature: 71°F
Cloudy.
Afternoon Temperature: 71°F
Cloudy.
Evening Temperature: 65°F
Cloudy.
Saturday, January 24th, 2026
Overnight Temperature: 60°F
Cloudy with showers likely.
Morning Temperature: 56°F
Cloudy with showers likely.
Afternoon Temperature: 55°F
Cloudy with a chance of showers.
Evening Temperature: 55°F
Cloudy with showers likely.





 

  [ Local Weather Report ]
Rancho Cucamonga, CA 
12:53 PM  79°F
Mostly Sunny
 
Upland, CA 
12:55 PM  77°F
 
 
Chino, CA 
12:53 PM  82°F
 
 
Montclair, CA 
12:55 PM  77°F
 
 
Claremont, CA 
12:47 PM  77°F
 
 
Fontana, CA 
 
Norco, CA 
12:56 PM  82°F
 
 
Pomona, CA 
12:47 PM  77°F
 
 
La Verne Bracket, CA 
12:47 PM  77°F
 
 
La Verne, CA 
12:47 PM  77°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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