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

69°F

21°C

Humidity 38%
Wind Speed NE 0 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 42°F (6°C)
Visibility NA
Last update 10 Nov 09:10 PM PST
Extended Forecast for

Rancho Santa Margarita CA

  • Tonight

    Tonight: Clear, with a low around 62. Calm wind becoming east around 5 mph.

    Low: 62 °F

    Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. Calm wind becoming east around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 58. Calm wind becoming east around 5 mph after midnight.

    Low: 58 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 30%.

    High: 71 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, mainly before 10am. Partly sunny, with a high near 68.

    High: 68 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers after 10pm. Partly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 62. Calm wind becoming east around 5 mph.
Veterans Day
Sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 61. Calm wind becoming east around 5 mph.
Thursday
Sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 58. Calm wind becoming east around 5 mph after midnight.
Friday
A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Saturday
A chance of showers, mainly before 10am. Partly sunny, with a high near 68.
Saturday Night
A slight chance of showers after 10pm. Partly cloudy, with a low around 53.
Sunday
A slight chance of showers before 10am. Mostly sunny, with a high near 68.
Sunday Night
A chance of showers. Partly cloudy, with a low around 54.
Monday
Showers likely. Mostly cloudy, with a high near 66.
Monday Night
Showers likely. Mostly cloudy, with a low around 51.
Tuesday
A chance of showers. Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rancho Santa Margarita CA
 33.66°N 117.61°W (Elev. 1198 ft)
Last Update:
12:37 pm PST Nov 10, 2026
Forecast Valid:
9pm PST Nov 10, 2026-6pm PST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation