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September 12th, 2025 :: 2:56 am PDT   

Local Weather Report for
Montclair
California, United States

 Current Montclair Weather Conditions Updated September 12th at 1:55 am 
Overcast
Temperature:63°F Dew Point:61°F
Barometer:29.95 inHg Wind:calm
Humidity:93.8% Visibility:0M
 
 Montclair Weather Forecast Summary  
 
Today
Sep 12th
Saturday
Sep 13th
Sunday
Sep 14th
Monday
Sep 15th
Tuesday
Sep 16th
Sunny Sunny Sunny Sunny Sunny
81°F
83°F
67°F
87°F
69°F
89°F
71°F
93°F
73°F
 
 Montclair Detailed Weather Forecast  
 
Friday, September 12th, 2025
Overnight Temperature: 67°F
Clear.
Morning Temperature: 78°F
Sunny.
Afternoon Temperature: 76°F
Sunny. Windy at times.
Evening Temperature: 69°F
Clear.
Saturday, September 13th, 2025
Overnight Temperature: 67°F
Clear.
Morning Temperature: 79°F
Sunny. Windy at times.
Afternoon Temperature: 79°F
Sunny. Windy at times.
Evening Temperature: 71°F
Clear.
Sunday, September 14th, 2025
Overnight Temperature: 69°F
Clear.
Morning Temperature: 82°F
Sunny. Windy at times.
Afternoon Temperature: 81°F
Sunny. Windy at times.
Evening Temperature: 73°F
Clear.
Monday, September 15th, 2025
Overnight Temperature: 72°F
Clear.
Morning Temperature: 85°F
Sunny. Windy at times.
Afternoon Temperature: 83°F
Sunny. Windy at times.
Evening Temperature: 75°F
Clear.
Tuesday, September 16th, 2025
Overnight Temperature: 74°F
Clear.
Morning Temperature: 89°F
Sunny.
Afternoon Temperature: 86°F
Sunny. Windy at times.
Evening Temperature: 78°F
Clear.
Wednesday, September 17th, 2025
Overnight Temperature: 76°F
Clear.
Morning Temperature: 90°F
Sunny.
Afternoon Temperature: 89°F
Sunny. Windy at times.
Evening Temperature: 81°F
Clear.
Thursday, September 18th, 2025
Overnight Temperature: 79°F
Clear.
Morning Temperature: 92°F
Sunny. Windy at times.
Afternoon Temperature: 87°F
Cloudy with a chance of showers. Windy at times.
Evening Temperature: 79°F
A mix of clear and cloudy skies with showers likely.
Friday, September 19th, 2025
Overnight Temperature: 78°F
Mostly clear with showers likely.
Morning Temperature: 91°F
Sunny with a chance of showers. Slight chance of a thunderstorm.
Afternoon Temperature: 90°F
A mix of cloud and sun. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 83°F
A mix of cloudy and clear skies.
Saturday, September 20th, 2025
Overnight Temperature: 81°F
Cloudy.
Morning Temperature: 93°F
A mix of cloud and sun.
Afternoon Temperature: 91°F
Cloudy. Windy at times.
Evening Temperature: 83°F
Cloudy.





 

  [ Local Weather Report ]
Claremont, CA 
 
Upland, CA 
1:55 AM  63°F
Overcast
 
Pomona, CA 
 
La Verne Bracket, CA 
 
La Verne, CA 
 
Rancho Cucamonga, CA 
1:53 AM  64°F
Mostly Clear
 
Ontario, CA 
1:53 AM  64°F
Mostly Clear
 
San Dimas, CA 
 
Diamond Bar, CA 
 
Chino, CA 
1:53 AM  63°F
 

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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