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Sunrise:  5:59 am
Sunset:  7:35 pm
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May 30

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May 9

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May 17

First Quarter
May 24




April 30th, 2026 :: 8:55 pm PDT   

Local Weather Report for
Ontario
California, United States

 Current Ontario Weather Conditions Updated April 30th at 7:53 pm 
Temperature:64°F Dew Point:54°F
Barometer:29.89 inHg Wind:N 21 Mph
Humidity:67.9% Visibility:0M
 
 Ontario Weather Forecast Summary  
 
Today
Apr 30th
Friday
May 1st
Saturday
May 2nd
Sunday
May 3rd
Monday
May 4th
Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny
78°F
82°F
61°F
82°F
62°F
70°F
58°F
68°F
56°F
 
 Ontario Detailed Weather Forecast  
 
Thursday, April 30th, 2026
Evening Temperature: 66°F
Clear.
Friday, May 1st, 2026
Overnight Temperature: 62°F
Clear.
Morning Temperature: 68°F
Sunny.
Afternoon Temperature: 81°F
Mostly sunny. Windy at times.
Evening Temperature: 69°F
Mostly clear.
Saturday, May 2nd, 2026
Overnight Temperature: 63°F
Clear.
Morning Temperature: 69°F
Sunny.
Afternoon Temperature: 79°F
Mostly sunny. Windy at times.
Evening Temperature: 66°F
Clear.
Sunday, May 3rd, 2026
Overnight Temperature: 59°F
Clear.
Morning Temperature: 61°F
A mix of cloud and sun.
Afternoon Temperature: 68°F
Sunny. Windy at times.
Evening Temperature: 59°F
A mix of clear and cloudy skies. Windy at times.
Monday, May 4th, 2026
Overnight Temperature: 57°F
A mix of clear and cloudy skies.
Morning Temperature: 58°F
A mix of cloud and sun.
Afternoon Temperature: 67°F
Sunny. Windy at times.
Evening Temperature: 59°F
Clear with cloudy periods. Windy at times.
Tuesday, May 5th, 2026
Overnight Temperature: 55°F
Clear.
Morning Temperature: 59°F
A mix of cloud and sun.
Afternoon Temperature: 66°F
Mostly cloudy. Windy at times.
Evening Temperature: 59°F
Clear.
Wednesday, May 6th, 2026
Overnight Temperature: 57°F
Clear with cloudy periods.
Morning Temperature: 63°F
Sunny.
Afternoon Temperature: 77°F
Sunny. Windy at times.
Evening Temperature: 68°F
Clear.
Thursday, May 7th, 2026
Overnight Temperature: 64°F
Clear.
Morning Temperature: 72°F
Sunny.
Afternoon Temperature: 86°F
Sunny. Windy at times.
Evening Temperature: 74°F
Mostly clear.
Friday, May 8th, 2026
Overnight Temperature: 67°F
Mostly clear.
Morning Temperature: 73°F
Mostly sunny.
Afternoon Temperature: 81°F
Mostly sunny. Windy at times.
Evening Temperature: 68°F
Clear. Windy at times.





 

  [ Local Weather Report ]
Rancho Cucamonga, CA 
7:53 PM  64°F
 
 
Upland, CA 
7:55 PM  64°F
 
 
Chino, CA 
7:53 PM  64°F
 
 
Montclair, CA 
7:55 PM  64°F
 
 
Claremont, CA 
7:47 PM  64°F
 
 
Fontana, CA 
 
Norco, CA 
7:56 PM  64°F
 
 
Pomona, CA 
7:47 PM  64°F
 
 
La Verne Bracket, CA 
7:47 PM  64°F
 
 
La Verne, CA 
7:47 PM  64°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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