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

85°F

29°C

Humidity 22%
Wind Speed W 0 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 42°F (6°C)
Visibility NA
Heat Index82°F (28°C)
Last update 09 Nov 01:25 PM PST
Extended Forecast for

Rancho Santa Margarita CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 85. West wind 5 to 10 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. Calm wind becoming northeast around 5 mph.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. Calm wind becoming east around 5 mph.

    Low: 65 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers after 4am. Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 10am, then a slight chance of showers after 4pm. Mostly sunny, with a high near 74.

    High: 74 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 85. West wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 65. Calm wind becoming northeast around 5 mph.
Tuesday
Sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 65. Calm wind becoming east around 5 mph.
Veterans Day
Sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 61.
Thursday
Sunny, with a high near 80.
Thursday Night
A slight chance of showers after 4am. Mostly clear, with a low around 59.
Friday
A slight chance of showers before 10am, then a slight chance of showers after 4pm. Mostly sunny, with a high near 74.
Friday Night
A chance of showers, mainly after 10pm. Partly cloudy, with a low around 57.
Saturday
A slight chance of showers. Mostly sunny, with a high near 73.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 56.
Sunday
A slight chance of showers. Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rancho Santa Margarita CA
 33.64°N 117.61°W (Elev. 896 ft)
Last Update:
12:09 pm PST Nov 9, 2026
Forecast Valid:
1pm PST Nov 9, 2026-6pm PST Nov 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation