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January 25th, 2026 :: 7:06 pm PST   

Local Weather Report for
Diamond Bar
California, United States

 Current Diamond Bar Weather Conditions Updated January 25th at 5:47 pm 
Temperature:57°F Dew Point:37°F
Barometer:30.21 inHg Wind:calm
Humidity:47.4% Visibility:0M
 
 Diamond Bar Weather Forecast Summary  
 
Today
Jan 25th
Monday
Jan 26th
Tuesday
Jan 27th
Wednesday
Jan 28th
Thursday
Jan 29th
Cloudy Cloudy Cloudy Cloudy Cloudy
66°F
69°F
55°F
70°F
53°F
70°F
55°F
74°F
60°F
 
 Diamond Bar Detailed Weather Forecast  
 
Sunday, January 25th, 2026
Evening Temperature: 57°F
Cloudy.
Monday, January 26th, 2026
Overnight Temperature: 56°F
Cloudy.
Morning Temperature: 66°F
Cloudy.
Afternoon Temperature: 66°F
Sunny.
Evening Temperature: 57°F
Clear.
Tuesday, January 27th, 2026
Overnight Temperature: 54°F
Clear.
Morning Temperature: 66°F
Cloudy.
Afternoon Temperature: 67°F
Cloudy.
Evening Temperature: 59°F
Cloudy.
Wednesday, January 28th, 2026
Overnight Temperature: 56°F
A mix of cloudy and clear skies.
Morning Temperature: 67°F
Cloudy.
Afternoon Temperature: 68°F
Cloudy.
Evening Temperature: 63°F
Cloudy.
Thursday, January 29th, 2026
Overnight Temperature: 61°F
Cloudy.
Morning Temperature: 70°F
A mix of sun and cloud.
Afternoon Temperature: 70°F
Sunny.
Evening Temperature: 62°F
Clear.
Friday, January 30th, 2026
Overnight Temperature: 58°F
Clear.
Morning Temperature: 72°F
Sunny.
Afternoon Temperature: 73°F
A mix of cloud and sun.
Evening Temperature: 64°F
Cloudy.
Saturday, January 31st, 2026
Overnight Temperature: 61°F
Cloudy.
Morning Temperature: 73°F
A mix of cloud and sun.
Afternoon Temperature: 73°F
Cloudy.
Evening Temperature: 65°F
A mix of cloudy and clear skies.
Sunday, February 1st, 2026
Overnight Temperature: 61°F
Cloudy.
Morning Temperature: 72°F
Cloudy.
Afternoon Temperature: 72°F
Cloudy.
Evening Temperature: 64°F
Cloudy.
Monday, February 2nd, 2026
Overnight Temperature: 61°F
Cloudy.
Morning Temperature: 71°F
Sunny with cloudy periods.
Afternoon Temperature: 71°F
Sunny.
Evening Temperature: 62°F
Clear.





 

  [ Local Weather Report ]
Walnut, CA 
 
Pomona, CA 
5:47 PM  57°F
 
 
La Verne Bracket, CA 
5:47 PM  57°F
 
 
La Verne, CA 
5:47 PM  57°F
 
 
San Dimas, CA 
5:47 PM  57°F
 
 
Covina, CA 
 
Claremont, CA 
5:47 PM  57°F
 
 
Montclair, CA 
5:55 PM  59°F
 
 
Glendora, CA 
5:47 PM  57°F
 
 
La Puente, CA 
5:45 PM  63°F
 

 
This WeatherCity Weather Forecast for Diamond Bar, 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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