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October 18th, 2025 :: 7:08 pm PDT   

Local Weather Report for
Rancho Cucamonga
California, United States

 Current Rancho Cucamonga Weather Conditions Updated October 18th at 5:53 pm 
Temperature:82°F Dew Point:36°F
Barometer:29.95 inHg Wind:N 15 Mph
Humidity:18.7% Visibility:0M
 
 Rancho Cucamonga Weather Forecast Summary  
 
Today
Oct 18th
Sunday
Oct 19th
Monday
Oct 20th
Tuesday
Oct 21st
Wednesday
Oct 22nd
Cloudy Mostly Sunny Sunny Sunny Mostly Sunny
83°F
82°F
69°F
82°F
67°F
82°F
63°F
71°F
61°F
 
 Rancho Cucamonga Detailed Weather Forecast  
 
Saturday, October 18th, 2025
Evening Temperature: 72°F
Cloudy.
Sunday, October 19th, 2025
Overnight Temperature: 69°F
Clear with cloudy periods.
Morning Temperature: 80°F
Sunny.
Afternoon Temperature: 77°F
Sunny. Windy at times.
Evening Temperature: 70°F
Clear.
Monday, October 20th, 2025
Overnight Temperature: 67°F
Clear.
Morning Temperature: 79°F
Sunny.
Afternoon Temperature: 79°F
Sunny.
Evening Temperature: 71°F
Clear.
Tuesday, October 21st, 2025
Overnight Temperature: 68°F
Clear.
Morning Temperature: 79°F
Sunny.
Afternoon Temperature: 73°F
Sunny. Windy at times.
Evening Temperature: 64°F
Clear.
Wednesday, October 22nd, 2025
Overnight Temperature: 61°F
Clear with cloudy periods.
Morning Temperature: 69°F
Sunny.
Afternoon Temperature: 68°F
Sunny. Windy at times.
Evening Temperature: 63°F
Clear.
Thursday, October 23rd, 2025
Overnight Temperature: 62°F
Clear.
Morning Temperature: 75°F
Sunny.
Afternoon Temperature: 77°F
Sunny.
Evening Temperature: 70°F
Clear with cloudy periods.
Friday, October 24th, 2025
Overnight Temperature: 69°F
Cloudy.
Morning Temperature: 80°F
Cloudy.
Afternoon Temperature: 77°F
Cloudy.
Evening Temperature: 70°F
Clear with cloudy periods.
Saturday, October 25th, 2025
Overnight Temperature: 67°F
Cloudy.
Morning Temperature: 74°F
Sunny with cloudy periods.
Afternoon Temperature: 71°F
Sunny. Windy at times.
Evening Temperature: 64°F
Clear.
Sunday, October 26th, 2025
Overnight Temperature: 62°F
Cloudy.
Morning Temperature: 70°F
Cloudy.
Afternoon Temperature: 69°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 64°F
Clear.





 

  [ Local Weather Report ]
Upland, CA 
 
Ontario, CA 
5:53 PM  82°F
 
 
Montclair, CA 
 
Claremont, CA 
5:47 PM  82°F
 
 
Chino, CA 
5:53 PM  81°F
 
 
Fontana, CA 
5:53 PM  82°F
 
 
La Verne Bracket, CA 
5:47 PM  82°F
 
 
La Verne, CA 
5:47 PM  82°F
 
 
Pomona, CA 
5:47 PM  82°F
 
 
Norco, CA 
5:56 PM  81°F
 

 
This WeatherCity Weather Forecast for Rancho Cucamonga, 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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