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May 21st, 2026 :: 12:13 am PDT   

Local Weather Report for
San Clemente Island
California, United States

 San Clemente Island Weather Forecast Summary  
 
Today
May 21st
Friday
May 22nd
Saturday
May 23rd
Sunday
May 24th
Monday
May 25th
Mostly Sunny Sunny Sunny Sunny Sunny
63°F
62°F
61°F
62°F
60°F
61°F
60°F
60°F
60°F
 
 San Clemente Island Detailed Weather Forecast  
 
Thursday, May 21st, 2026
Overnight Temperature: 63°F
Mostly clear. Windy at times.
Morning Temperature: 62°F
Sunny. Windy at times.
Afternoon Temperature: 63°F
Sunny. Windy.
Evening Temperature: 62°F
Clear. Windy at times.
Friday, May 22nd, 2026
Overnight Temperature: 61°F
Clear. Windy at times.
Morning Temperature: 61°F
Sunny. Windy at times.
Afternoon Temperature: 62°F
Sunny. Windy at times.
Evening Temperature: 61°F
Clear. Windy at times.
Saturday, May 23rd, 2026
Overnight Temperature: 60°F
Clear.
Morning Temperature: 61°F
Sunny.
Afternoon Temperature: 62°F
Sunny. Windy.
Evening Temperature: 61°F
Clear. Windy at times.
Sunday, May 24th, 2026
Overnight Temperature: 61°F
Clear. Windy at times.
Morning Temperature: 61°F
Sunny. Windy at times.
Afternoon Temperature: 61°F
Sunny. Windy.
Evening Temperature: 61°F
Clear. Windy.
Monday, May 25th, 2026
Overnight Temperature: 60°F
Clear. Windy at times.
Morning Temperature: 60°F
Mostly sunny. Windy at times.
Afternoon Temperature: 60°F
Sunny. Windy.
Evening Temperature: 60°F
Clear. Windy.
Tuesday, May 26th, 2026
Overnight Temperature: 60°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 59°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 60°F
Sunny. Windy.
Evening Temperature: 60°F
Clear. Wind 20 to 30 mph.
Wednesday, May 27th, 2026
Overnight Temperature: 59°F
Mostly clear. Wind 20 to 30 mph.
Morning Temperature: 60°F
A mix of cloud and sun. Windy.
Afternoon Temperature: 61°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 61°F
A mix of cloudy and clear skies. Windy at times.
Thursday, May 28th, 2026
Overnight Temperature: 61°F
A mix of cloudy and clear skies.
Morning Temperature: 62°F
Sunny with cloudy periods.
Afternoon Temperature: 62°F
Sunny.
Evening Temperature: 62°F
Clear.





 

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10:53 PM  57°F
 
 
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10:53 PM  66°F
 
 
Seal Beach, CA 
10:55 PM  66°F
 

 
This WeatherCity Weather Forecast for San Clemente Island, 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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