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September 4th, 2025 :: 3:00 am PDT   

Local Weather Report for
Cupertino
California, United States

 Current Cupertino Weather Conditions Updated September 4th at 1:55 am 
Overcast
Temperature:17°C Dew Point:15°C
Barometer:101.4 kPa Wind:N 14 Km/h
Humidity:88.0% Visibility:0 Km
 
 Cupertino Weather Forecast Summary  
 
Today
Sep 4th
Friday
Sep 5th
Saturday
Sep 6th
Sunday
Sep 7th
Monday
Sep 8th
Mix of Cloud and Sun Mostly Sunny Cloudy Cloudy Cloudy
26°C
23°C
16°C
26°C
16°C
27°C
18°C
25°C
17°C
 
 Cupertino Detailed Weather Forecast  
 
Thursday, September 4th, 2025
Overnight Temperature: 16°C
A mix of cloudy and clear skies.
Morning Temperature: 24°C
Mostly sunny. Windy at times.
Afternoon Temperature: 21°C
Sunny. Windy at times.
Evening Temperature: 17°C
A mix of cloudy and clear skies.
Friday, September 5th, 2025
Overnight Temperature: 17°C
A mix of cloudy and clear skies.
Morning Temperature: 22°C
Sunny. Windy at times.
Afternoon Temperature: 21°C
Sunny. Windy at times.
Evening Temperature: 17°C
Clear.
Saturday, September 6th, 2025
Overnight Temperature: 17°C
A mix of cloudy and clear skies.
Morning Temperature: 24°C
Sunny.
Afternoon Temperature: 23°C
Sunny. Windy at times.
Evening Temperature: 20°C
Cloudy.
Sunday, September 7th, 2025
Overnight Temperature: 19°C
Cloudy.
Morning Temperature: 25°C
Cloudy. Windy at times.
Afternoon Temperature: 23°C
Sunny. Windy at times.
Evening Temperature: 19°C
Clear.
Monday, September 8th, 2025
Overnight Temperature: 18°C
A mix of cloudy and clear skies.
Morning Temperature: 24°C
A mix of cloud and sun.
Afternoon Temperature: 23°C
Cloudy. Windy at times.
Evening Temperature: 19°C
Cloudy.
Tuesday, September 9th, 2025
Overnight Temperature: 18°C
Cloudy.
Morning Temperature: 24°C
Cloudy. Windy at times.
Afternoon Temperature: 21°C
Cloudy. Windy at times.
Evening Temperature: 18°C
A mix of cloudy and clear skies.
Wednesday, September 10th, 2025
Overnight Temperature: 17°C
Clear.
Morning Temperature: 24°C
A mix of cloud and sun with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 22°C
Cloudy with a chance of showers. Windy at times.
Evening Temperature: 18°C
Cloudy.
Thursday, September 11th, 2025
Overnight Temperature: 17°C
Cloudy.
Morning Temperature: 23°C
Cloudy.
Afternoon Temperature: 21°C
Sunny with a slight chance of showers. Windy at times.
Evening Temperature: 17°C
Clear with a chance of showers.
Friday, September 12th, 2025
Overnight Temperature: 16°C
Clear with cloudy periods with a slight chance of showers.
Morning Temperature: 22°C
Sunny. Windy at times.
Afternoon Temperature: 20°C
Sunny. Windy at times.
Evening Temperature: 17°C
Clear with cloudy periods.





 

  [ Local Weather Report ]
Sunnyvale, CA 
1:55 AM  17°C
Overcast
 
Saratoga, CA 
1:55 AM  17°C
Overcast
 
Campbell, CA 
1:53 AM  16°C
 
 
Santa Clara, CA 
1:53 AM  16°C
 
 
Monte Sereno, CA 
1:53 AM  16°C
 
 
Moffett, CA 
1:55 AM  17°C
Overcast
 
San Jose, CA 
1:53 AM  16°C
 
 
Los Altos Hills, CA 
1:55 AM  17°C
Overcast
 
Los Gatos, CA 
1:53 AM  16°C
 
 
Milpitas, CA 
1:53 AM  16°C
 

This WeatherCity Weather Forecast for Cupertino, 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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