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September 18th, 2025 :: 4:03 pm PDT   

Local Weather Report for
Rancho Santa Margarita
California, United States

 Rancho Santa Margarita Weather Forecast Summary  
 
Today
Sep 18th
Friday
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Monday
Sep 22nd
Showers Mostly Sunny Sunny Cloudy Showers
80°F
77°F
66°F
79°F
65°F
77°F
65°F
79°F
63°F
 
 Rancho Santa Margarita Detailed Weather Forecast  
 
Thursday, September 18th, 2025
Afternoon Temperature: 73°F
Sunny. Slight chance of a thunderstorm.
Evening Temperature: 68°F
Mostly clear.
Friday, September 19th, 2025
Overnight Temperature: 68°F
Clear.
Morning Temperature: 77°F
Mostly sunny. Windy at times.
Afternoon Temperature: 72°F
Sunny.
Evening Temperature: 66°F
Clear.
Saturday, September 20th, 2025
Overnight Temperature: 67°F
Clear.
Morning Temperature: 78°F
Sunny. Windy at times.
Afternoon Temperature: 72°F
Sunny.
Evening Temperature: 65°F
Clear.
Sunday, September 21st, 2025
Overnight Temperature: 67°F
A mix of cloudy and clear skies.
Morning Temperature: 77°F
A mix of cloud and sun.
Afternoon Temperature: 71°F
Cloudy.
Evening Temperature: 66°F
Cloudy.
Monday, September 22nd, 2025
Overnight Temperature: 66°F
Clear.
Morning Temperature: 78°F
A mix of cloud and sun.
Afternoon Temperature: 69°F
Cloudy with showers likely. Windy at times.
Evening Temperature: 67°F
Clear with cloudy periods with showers likely.
Tuesday, September 23rd, 2025
Overnight Temperature: 66°F
Clear with a chance of showers.
Morning Temperature: 74°F
Mostly sunny. Windy at times.
Afternoon Temperature: 68°F
Sunny.
Evening Temperature: 63°F
Clear.
Wednesday, September 24th, 2025
Overnight Temperature: 63°F
Clear.
Morning Temperature: 75°F
Sunny. Windy at times.
Afternoon Temperature: 71°F
Sunny.
Evening Temperature: 64°F
Clear.
Thursday, September 25th, 2025
Overnight Temperature: 65°F
Clear.
Morning Temperature: 79°F
Sunny. Windy at times.
Afternoon Temperature: 73°F
Sunny.
Evening Temperature: 65°F
Clear.
Friday, September 26th, 2025
Overnight Temperature: 64°F
Clear.
Morning Temperature: 76°F
Sunny. Windy at times.
Afternoon Temperature: 66°F
Sunny with cloudy periods.
Evening Temperature: 60°F
Clear with cloudy periods.





 

  [ Local Weather Report ]
Lake Forest, CA 
2:53 PM  79°F
Mostly Cloudy
 
Mission Viejo, CA 
2:53 PM  79°F
Mostly Cloudy
 
Laguna Hills, CA 
2:53 PM  79°F
Mostly Cloudy
 
Laguna Woods, CA 
2:53 PM  79°F
Mostly Cloudy
 
Aliso Viejo, CA 
2:53 PM  79°F
Mostly Cloudy
 
Laguna Niguel, CA 
 
San Juan Capistrano, CA 
 
Laguna Beach, CA 
2:53 PM  79°F
Mostly Cloudy
 
Dana Point, CA 
 
Irvine, CA 
2:53 PM  79°F
Mostly Cloudy

This WeatherCity Weather Forecast for Rancho Santa Margarita, 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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