National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

CW5283 Foothill Ranch (C5283)

Lat: 33.685°NLon: 117.65583°WElev: 986.91ft.

NA

61°F

16°C

Humidity 46%
Wind Speed ENE 0 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 40°F (4°C)
Visibility NA
Last update 12 Nov 06:25 AM PST
Extended Forecast for

Rancho Santa Margarita CA

  • Today

    Today: Sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Showers likely, mainly after 4am. Increasing clouds, with a low around 59. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before 10am. Partly sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 10pm. The rain could be heavy at times. Mostly cloudy, with a low around 57. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Heavy Rain

  • Saturday

    Saturday: Showers likely, mainly before 10am. The rain could be heavy at times. Cloudy, then gradually becoming mostly sunny, with a high near 67. Southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 67 °F

    Heavy Rain
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after 10pm. Partly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers. Partly sunny, with a high near 67.

    High: 67 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Showers likely, mainly after 4am. Increasing clouds, with a low around 59. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely, mainly before 10am. Partly sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers likely, mainly after 10pm. The rain could be heavy at times. Mostly cloudy, with a low around 57. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers likely, mainly before 10am. The rain could be heavy at times. Cloudy, then gradually becoming mostly sunny, with a high near 67. Southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
A slight chance of showers after 10pm. Partly cloudy, with a low around 55.
Monday
A chance of showers. Partly sunny, with a high near 67.
Monday Night
Showers likely. Mostly cloudy, with a low around 53.
Tuesday
A chance of showers. Partly sunny, with a high near 64.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 50.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rancho Santa Margarita CA
 33.64°N 117.61°W (Elev. 896 ft)
Last Update:
1:56 am PST Nov 12, 2026
Forecast Valid:
6am PST Nov 12, 2026-6pm PST Nov 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation