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: 970.0ft.

NA

57°F

14°C

Humidity 91%
Wind Speed WNW 0 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 54°F (12°C)
Visibility NA
Last update 16 Nov 12:10 PM PST
Extended Forecast for

Rancho Santa Margarita CA

  • This Afternoon

    This Afternoon: A chance of showers, mainly before 4pm. Partly sunny, with a high near 63. South wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers, mainly between 10pm and 4am. Mostly cloudy, with a low around 51. Calm wind becoming east around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Chance
    Showers

  • Monday

    Monday: Showers, mainly after 10am. The rain could be heavy at times. High near 62. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 62 °F

    Heavy Rain

  • Monday Night

    Monday Night: Showers, with thunderstorms also possible after 10pm. Some of the storms could produce heavy rainfall. Low around 48. West wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Heavy Rain

  • Tuesday

    Tuesday: Showers likely, mainly before 10am. Partly sunny, with a high near 58. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly before 10pm. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of showers, mainly before 4pm. Partly sunny, with a high near 63. South wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers, mainly between 10pm and 4am. Mostly cloudy, with a low around 51. Calm wind becoming east around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, mainly after 10am. The rain could be heavy at times. High near 62. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Showers, with thunderstorms also possible after 10pm. Some of the storms could produce heavy rainfall. Low around 48. West wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers likely, mainly before 10am. Partly sunny, with a high near 58. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
A chance of showers, mainly before 10pm. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Partly sunny, with a high near 61.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 48.
Friday
A chance of showers. Partly sunny, with a high near 64.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 48.
Saturday
Sunny, with a high near 69.
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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:
1:34 am PST Nov 16, 2025
Forecast Valid:
12pm PST Nov 16, 2025-6pm PST Nov 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation