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September 17th, 2025 :: 4:59 am PDT   

Local Weather Report for
Montclair
California, United States

 Current Montclair Weather Conditions Updated September 17th at 3:55 am 
Temperature:75°F Dew Point:54°F
Barometer:29.95 inHg Wind:calm
Humidity:47.0% Visibility:0M
 
 Montclair Weather Forecast Summary  
 
Today
Sep 17th
Thursday
Sep 18th
Friday
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Cloudy Thundershowers Mostly Sunny Sunny Mostly Sunny
84°F
84°F
72°F
86°F
72°F
88°F
72°F
91°F
74°F
 
 Montclair Detailed Weather Forecast  
 
Wednesday, September 17th, 2025
Overnight Temperature: 79°F
Cloudy.
Morning Temperature: 82°F
Cloudy. Windy at times.
Afternoon Temperature: 80°F
Cloudy. Windy at times.
Evening Temperature: 74°F
Cloudy with a chance of showers. Windy at times.
Thursday, September 18th, 2025
Overnight Temperature: 73°F
Cloudy with showers likely.
Morning Temperature: 81°F
Sunny with cloudy periods with showers likely. Slight chance of a thunderstorm.
Afternoon Temperature: 80°F
A mix of cloud and sun with showers likely. Chance of a thunderstorm. Windy at times.
Evening Temperature: 74°F
Clear with cloudy periods with showers likely. Slight chance of a thunderstorm.
Friday, September 19th, 2025
Overnight Temperature: 72°F
Clear with cloudy periods with a chance of showers.
Morning Temperature: 82°F
Sunny with cloudy periods. Slight chance of a thunderstorm.
Afternoon Temperature: 82°F
Sunny. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 74°F
Clear.
Saturday, September 20th, 2025
Overnight Temperature: 72°F
Clear.
Morning Temperature: 84°F
Sunny.
Afternoon Temperature: 83°F
Sunny. Windy at times.
Evening Temperature: 76°F
Clear.
Sunday, September 21st, 2025
Overnight Temperature: 75°F
Clear with cloudy periods.
Morning Temperature: 87°F
Sunny.
Afternoon Temperature: 87°F
Sunny. Windy at times.
Evening Temperature: 80°F
Clear.
Monday, September 22nd, 2025
Overnight Temperature: 79°F
Clear.
Morning Temperature: 94°F
Sunny.
Afternoon Temperature: 93°F
Sunny. Windy at times.
Evening Temperature: 84°F
Clear.
Tuesday, September 23rd, 2025
Overnight Temperature: 80°F
Mostly clear.
Morning Temperature: 91°F
Sunny. Windy at times.
Afternoon Temperature: 88°F
Sunny. Windy at times.
Evening Temperature: 79°F
Clear.
Wednesday, September 24th, 2025
Overnight Temperature: 76°F
Clear.
Morning Temperature: 86°F
Sunny. Windy at times.
Afternoon Temperature: 82°F
Sunny. Windy at times.
Evening Temperature: 76°F
Clear.
Thursday, September 25th, 2025
Overnight Temperature: 73°F
Clear.
Morning Temperature: 85°F
Sunny.
Afternoon Temperature: 83°F
Sunny. Windy at times.
Evening Temperature: 75°F
Clear.





 

  [ Local Weather Report ]
Claremont, CA 
 
Upland, CA 
3:55 AM  75°F
 
 
Pomona, CA 
 
La Verne Bracket, CA 
 
La Verne, CA 
 
Rancho Cucamonga, CA 
3:53 AM  75°F
Mostly Clear
 
Ontario, CA 
3:53 AM  75°F
Mostly Clear
 
San Dimas, CA 
 
Diamond Bar, CA 
 
Chino, CA 
3:53 AM  70°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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