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May 2nd, 2026 :: 8:11 am PDT   

Local Weather Report for
Diamond Bar
California, United States

 Current Diamond Bar Weather Conditions Updated May 2nd at 6:47 am 
mist
Temperature:55°F Dew Point:54°F
Barometer:29.98 inHg Wind:N 9 Mph
Humidity:93.6% Visibility:0M
 
 Diamond Bar Weather Forecast Summary  
 
Today
May 2nd
Sunday
May 3rd
Monday
May 4th
Tuesday
May 5th
Wednesday
May 6th
Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Sunny
84°F
77°F
59°F
66°F
57°F
66°F
55°F
77°F
55°F
 
 Diamond Bar Detailed Weather Forecast  
 
Saturday, May 2nd, 2026
Morning Temperature: 70°F
Mostly sunny.
Afternoon Temperature: 82°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 69°F
A mix of cloudy and clear skies.
Sunday, May 3rd, 2026
Overnight Temperature: 63°F
A mix of clear and cloudy skies.
Morning Temperature: 67°F
Mostly sunny.
Afternoon Temperature: 73°F
Sunny. Windy at times.
Evening Temperature: 61°F
Mostly clear. Windy at times.
Monday, May 4th, 2026
Overnight Temperature: 57°F
A mix of clear and cloudy skies.
Morning Temperature: 60°F
A mix of cloud and sun.
Afternoon Temperature: 66°F
Mostly sunny. Windy.
Evening Temperature: 58°F
Clear with cloudy periods. Windy at times.
Tuesday, May 5th, 2026
Overnight Temperature: 56°F
A mix of clear and cloudy skies.
Morning Temperature: 60°F
A mix of sun and cloud.
Afternoon Temperature: 66°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 59°F
Clear. Windy at times.
Wednesday, May 6th, 2026
Overnight Temperature: 56°F
Clear.
Morning Temperature: 63°F
Sunny.
Afternoon Temperature: 77°F
Sunny. Windy at times.
Evening Temperature: 68°F
Clear. Windy at times.
Thursday, May 7th, 2026
Overnight Temperature: 64°F
Clear.
Morning Temperature: 73°F
Sunny.
Afternoon Temperature: 88°F
Sunny. Windy at times.
Evening Temperature: 76°F
Clear.
Friday, May 8th, 2026
Overnight Temperature: 69°F
Clear.
Morning Temperature: 77°F
Sunny.
Afternoon Temperature: 86°F
Sunny. Windy at times.
Evening Temperature: 74°F
Clear.
Saturday, May 9th, 2026
Overnight Temperature: 68°F
Clear.
Morning Temperature: 73°F
Sunny.
Afternoon Temperature: 82°F
Sunny. Windy at times.
Evening Temperature: 70°F
Clear. Windy at times.
Sunday, May 10th, 2026
Overnight Temperature: 65°F
Clear.
Morning Temperature: 74°F
Sunny.
Afternoon Temperature: 88°F
Sunny. Windy at times.
Evening Temperature: 74°F
Clear.





 

  [ Local Weather Report ]
Walnut, CA 
 
Pomona, CA 
6:47 AM  55°F
mist
 
La Verne Bracket, CA 
6:47 AM  55°F
mist
 
La Verne, CA 
6:47 AM  55°F
mist
 
San Dimas, CA 
6:47 AM  55°F
mist
 
Covina, CA 
 
Claremont, CA 
6:47 AM  55°F
mist
 
Montclair, CA 
6:55 AM  55°F
moderate fog
 
Glendora, CA 
6:47 AM  55°F
mist
 
La Puente, CA 

 
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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