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June 17th, 2026 :: 3:53 pm PDT   

Local Weather Report for
Diamond Bar
California, United States

 Current Diamond Bar Weather Conditions Updated June 17th at 2:47 pm 
Temperature:82°F Dew Point:55°F
Barometer:29.92 inHg Wind:N 24 Mph
Humidity:39.6% Visibility:0M
 
 Diamond Bar Weather Forecast Summary  
 
Today
Jun 17th
Thursday
Jun 18th
Friday
Jun 19th
Saturday
Jun 20th
Sunday
Jun 21st
Sunny Sunny Sunny Sunny Sunny
87°F
84°F
65°F
83°F
64°F
82°F
63°F
84°F
63°F
 
 Diamond Bar Detailed Weather Forecast  
 
Wednesday, June 17th, 2026
Afternoon Temperature: 85°F
Sunny. Windy at times.
Evening Temperature: 72°F
Clear. Windy at times.
Thursday, June 18th, 2026
Overnight Temperature: 65°F
Clear.
Morning Temperature: 71°F
Sunny.
Afternoon Temperature: 82°F
Sunny. Windy at times.
Evening Temperature: 71°F
Clear. Windy at times.
Friday, June 19th, 2026
Overnight Temperature: 65°F
Clear.
Morning Temperature: 71°F
Sunny.
Afternoon Temperature: 82°F
Sunny. Windy at times.
Evening Temperature: 70°F
Clear. Windy at times.
Saturday, June 20th, 2026
Overnight Temperature: 64°F
Clear.
Morning Temperature: 70°F
Sunny.
Afternoon Temperature: 81°F
Sunny. Windy at times.
Evening Temperature: 70°F
Clear. Windy at times.
Sunday, June 21st, 2026
Overnight Temperature: 64°F
Clear.
Morning Temperature: 71°F
Sunny.
Afternoon Temperature: 83°F
Sunny. Windy at times.
Evening Temperature: 71°F
Clear.
Monday, June 22nd, 2026
Overnight Temperature: 65°F
Clear.
Morning Temperature: 73°F
Sunny.
Afternoon Temperature: 87°F
Sunny. Windy at times.
Evening Temperature: 76°F
Clear.
Tuesday, June 23rd, 2026
Overnight Temperature: 70°F
Clear.
Morning Temperature: 79°F
Sunny.
Afternoon Temperature: 93°F
Sunny. Windy at times.
Evening Temperature: 80°F
Clear. Windy at times.
Wednesday, June 24th, 2026
Overnight Temperature: 74°F
Clear.
Morning Temperature: 82°F
Sunny.
Afternoon Temperature: 95°F
Sunny. Windy at times.
Evening Temperature: 82°F
Clear. Windy at times.
Thursday, June 25th, 2026
Overnight Temperature: 76°F
Clear.
Morning Temperature: 83°F
Sunny.
Afternoon Temperature: 95°F
Sunny. Windy at times.
Evening Temperature: 82°F
Clear.





 

  [ Local Weather Report ]
Walnut, CA 
 
Pomona, CA 
2:47 PM  82°F
 
 
La Verne Bracket, CA 
2:47 PM  82°F
 
 
La Verne, CA 
2:47 PM  82°F
 
 
San Dimas, CA 
2:47 PM  82°F
 
 
Covina, CA 
 
Claremont, CA 
2:47 PM  82°F
 
 
Montclair, CA 
2:55 PM  82°F
 
 
Glendora, CA 
2:47 PM  82°F
 
 
La Puente, CA 
2:45 PM  82°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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