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June 23rd, 2026 :: 4:48 pm PDT   

Local Weather Report for
Diamond Bar
California, United States

 Current Diamond Bar Weather Conditions Updated June 23rd at 3:47 pm 
Temperature:84°F Dew Point:59°F
Barometer:29.98 inHg Wind:N 21 Mph
Humidity:42.6% Visibility:0M
 
 Diamond Bar Weather Forecast Summary  
 
Today
Jun 23rd
Wednesday
Jun 24th
Thursday
Jun 25th
Friday
Jun 26th
Saturday
Jun 27th
Sunny Sunny Sunny Mostly Sunny Sunny
92°F
94°F
72°F
89°F
72°F
87°F
68°F
83°F
65°F
 
 Diamond Bar Detailed Weather Forecast  
 
Tuesday, June 23rd, 2026
Afternoon Temperature: 91°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 80°F
Clear.
Wednesday, June 24th, 2026
Overnight Temperature: 73°F
Clear with a slight chance of showers.
Morning Temperature: 80°F
Sunny with a slight chance of showers.
Afternoon Temperature: 92°F
Sunny. Windy at times.
Evening Temperature: 80°F
Clear. Windy at times.
Thursday, June 25th, 2026
Overnight Temperature: 73°F
Clear.
Morning Temperature: 78°F
Sunny.
Afternoon Temperature: 88°F
Sunny. Windy at times.
Evening Temperature: 75°F
Clear. Windy at times.
Friday, June 26th, 2026
Overnight Temperature: 69°F
Clear.
Morning Temperature: 75°F
Sunny.
Afternoon Temperature: 85°F
Mostly sunny. Windy at times.
Evening Temperature: 72°F
Mostly clear. Windy at times.
Saturday, June 27th, 2026
Overnight Temperature: 67°F
Clear.
Morning Temperature: 71°F
Sunny.
Afternoon Temperature: 80°F
Sunny. Windy at times.
Evening Temperature: 68°F
Mostly clear. Windy at times.
Sunday, June 28th, 2026
Overnight Temperature: 64°F
Clear with cloudy periods.
Morning Temperature: 69°F
Sunny.
Afternoon Temperature: 80°F
Sunny. Windy at times.
Evening Temperature: 69°F
Clear. Windy at times.
Monday, June 29th, 2026
Overnight Temperature: 64°F
Clear.
Morning Temperature: 70°F
Sunny.
Afternoon Temperature: 82°F
Sunny. Windy at times.
Evening Temperature: 71°F
Clear. Windy at times.
Tuesday, June 30th, 2026
Overnight Temperature: 65°F
Clear.
Morning Temperature: 72°F
Sunny.
Afternoon Temperature: 86°F
Sunny. Windy at times.
Evening Temperature: 75°F
Clear. Windy at times.
Wednesday, July 1st, 2026
Overnight Temperature: 69°F
Clear.
Morning Temperature: 77°F
Sunny.
Afternoon Temperature: 91°F
Sunny. Windy at times.
Evening Temperature: 79°F
Mostly clear.





 

  [ Local Weather Report ]
Walnut, CA 
 
Pomona, CA 
3:47 PM  84°F
 
 
La Verne Bracket, CA 
3:47 PM  84°F
 
 
La Verne, CA 
3:47 PM  84°F
 
 
San Dimas, CA 
3:47 PM  84°F
 
 
Covina, CA 
 
Claremont, CA 
3:47 PM  84°F
 
 
Montclair, CA 
3:55 PM  82°F
 
 
Glendora, CA 
3:47 PM  84°F
 
 
La Puente, CA 
3:45 PM  84°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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