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May 19th, 2026 :: 11:41 pm PDT   

Local Weather Report for
Montclair
California, United States

 Current Montclair Weather Conditions Updated May 19th at 10:55 pm 
Temperature:72°F Dew Point:18°F
Barometer:29.98 inHg Wind:N 6 Mph
Humidity:12.6% Visibility:0M
 
 Montclair Weather Forecast Summary  
 
Today
May 19th
Wednesday
May 20th
Thursday
May 21st
Friday
May 22nd
Saturday
May 23rd
Sunny Sunny Sunny Sunny Sunny
87°F
89°F
68°F
87°F
68°F
84°F
65°F
85°F
64°F
 
 Montclair Detailed Weather Forecast  
 
Wednesday, May 20th, 2026
Overnight Temperature: 69°F
Clear.
Morning Temperature: 78°F
Sunny.
Afternoon Temperature: 87°F
Sunny. Windy at times.
Evening Temperature: 76°F
Clear.
Thursday, May 21st, 2026
Overnight Temperature: 69°F
Clear.
Morning Temperature: 75°F
Sunny.
Afternoon Temperature: 85°F
Sunny. Windy at times.
Evening Temperature: 73°F
Clear.
Friday, May 22nd, 2026
Overnight Temperature: 67°F
Clear.
Morning Temperature: 73°F
Sunny.
Afternoon Temperature: 83°F
Sunny. Windy at times.
Evening Temperature: 72°F
Clear.
Saturday, May 23rd, 2026
Overnight Temperature: 65°F
Clear.
Morning Temperature: 73°F
Sunny.
Afternoon Temperature: 83°F
Sunny. Windy at times.
Evening Temperature: 72°F
Clear.
Sunday, May 24th, 2026
Overnight Temperature: 65°F
Clear.
Morning Temperature: 72°F
Sunny.
Afternoon Temperature: 84°F
Sunny. Windy at times.
Evening Temperature: 72°F
Clear. Windy at times.
Monday, May 25th, 2026
Overnight Temperature: 64°F
Clear.
Morning Temperature: 70°F
Sunny.
Afternoon Temperature: 81°F
Sunny. Windy at times.
Evening Temperature: 69°F
Clear.
Tuesday, May 26th, 2026
Overnight Temperature: 63°F
Clear.
Morning Temperature: 68°F
Sunny.
Afternoon Temperature: 80°F
Sunny. Windy at times.
Evening Temperature: 70°F
Clear.
Wednesday, May 27th, 2026
Overnight Temperature: 63°F
Clear.
Morning Temperature: 71°F
Sunny.
Afternoon Temperature: 84°F
Sunny. Windy at times.
Evening Temperature: 73°F
Clear.





 

  [ Local Weather Report ]
Claremont, CA 
 
Upland, CA 
10:55 PM  72°F
 
 
Pomona, CA 
 
La Verne Bracket, CA 
 
La Verne, CA 
 
Rancho Cucamonga, CA 
10:53 PM  70°F
 
 
Ontario, CA 
10:53 PM  70°F
 
 
San Dimas, CA 
 
Diamond Bar, CA 
 
Chino, CA 

 
This WeatherCity Weather Forecast for Montclair, 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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