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September 12th, 2025 :: 5:18 am PDT   

Local Weather Report for
Montclair
California, United States

 Current Montclair Weather Conditions Updated September 12th at 3:55 am 
Overcast
Temperature:17°C Dew Point:12°C
Barometer:101.4 kPa Wind:calm
Humidity:72.4% Visibility:0 Km
 
 Montclair Weather Forecast Summary  
 
Today
Sep 12th
Saturday
Sep 13th
Sunday
Sep 14th
Monday
Sep 15th
Tuesday
Sep 16th
Sunny Sunny Sunny Sunny Sunny
27°C
28°C
19°C
30°C
20°C
32°C
22°C
34°C
23°C
 
 Montclair Detailed Weather Forecast  
 
Friday, September 12th, 2025
Morning Temperature: 26°C
Sunny.
Afternoon Temperature: 25°C
Sunny. Windy at times.
Evening Temperature: 20°C
Clear.
Saturday, September 13th, 2025
Overnight Temperature: 19°C
Clear.
Morning Temperature: 26°C
Sunny. Windy at times.
Afternoon Temperature: 26°C
Sunny. Windy at times.
Evening Temperature: 22°C
Clear.
Sunday, September 14th, 2025
Overnight Temperature: 21°C
Clear.
Morning Temperature: 28°C
Sunny. Windy at times.
Afternoon Temperature: 27°C
Sunny. Windy at times.
Evening Temperature: 23°C
Clear.
Monday, September 15th, 2025
Overnight Temperature: 22°C
Clear.
Morning Temperature: 30°C
Sunny. Windy at times.
Afternoon Temperature: 29°C
Sunny. Windy at times.
Evening Temperature: 24°C
Clear.
Tuesday, September 16th, 2025
Overnight Temperature: 23°C
Clear.
Morning Temperature: 31°C
Sunny.
Afternoon Temperature: 30°C
Sunny. Windy at times.
Evening Temperature: 26°C
Clear.
Wednesday, September 17th, 2025
Overnight Temperature: 25°C
Clear.
Morning Temperature: 32°C
Sunny.
Afternoon Temperature: 32°C
Sunny. Windy at times.
Evening Temperature: 27°C
Clear.
Thursday, September 18th, 2025
Overnight Temperature: 26°C
Clear.
Morning Temperature: 33°C
Sunny. Windy at times.
Afternoon Temperature: 31°C
Cloudy with a chance of showers. Windy at times.
Evening Temperature: 26°C
A mix of clear and cloudy skies with showers likely.
Friday, September 19th, 2025
Overnight Temperature: 25°C
Mostly clear with showers likely.
Morning Temperature: 33°C
Sunny with a chance of showers. Slight chance of a thunderstorm.
Afternoon Temperature: 32°C
A mix of cloud and sun. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 29°C
A mix of cloudy and clear skies.
Saturday, September 20th, 2025
Overnight Temperature: 27°C
Cloudy.
Morning Temperature: 34°C
A mix of cloud and sun.
Afternoon Temperature: 33°C
Cloudy. Windy at times.
Evening Temperature: 28°C
Cloudy.





 

  [ Local Weather Report ]
Claremont, CA 
 
Upland, CA 
3:55 AM  17°C
Overcast
 
Pomona, CA 
 
La Verne Bracket, CA 
 
La Verne, CA 
 
Rancho Cucamonga, CA 
3:53 AM  17°C
Mostly Clear
 
Ontario, CA 
3:53 AM  17°C
Mostly Clear
 
San Dimas, CA 
 
Diamond Bar, CA 
 
Chino, CA 
3:53 AM  15°C
 

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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