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

Hazardous Weather Conditions

Current conditions at

CW5283 Foothill Ranch (C5283)

Lat: 33.685°NLon: 117.65583°WElev: 970.0ft.

NA

61°F

16°C

Humidity 78%
Wind Speed WNW 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 54°F (12°C)
Visibility NA
Last update 01 Jan 04:40 PM PST
Extended Forecast for

Rancho Santa Margarita CA

Flood Watch January 1, 04:57pm until January 1, 10:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch January 1, 04:57pm until January 1, 10:00pm

    NOW until 10:00pm Thu

    Flood Watch

  • New Year's Day

    High: 63 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers before 10pm. Mostly clear, with a low around 51. Calm wind. Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 67. Calm wind becoming southeast around 5 mph.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers between 10pm and 4am. Mostly cloudy, with a low around 54. Southeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers after 10am. Cloudy, with a high near 64. Southeast wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely. Cloudy, with a low around 55. Chance of precipitation is 70%.

    Low: 55 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Heavy Rain

Detailed Forecast

New Year's Day
A slight chance of showers. Mostly sunny, with a high near 63. West wind around 5 mph becoming calm. Chance of precipitation is 20%.
Tonight
A slight chance of showers before 10pm. Mostly clear, with a low around 51. Calm wind. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 67. Calm wind becoming southeast around 5 mph.
Friday Night
A slight chance of showers between 10pm and 4am. Mostly cloudy, with a low around 54. Southeast wind around 5 mph. Chance of precipitation is 20%.
Saturday
A chance of showers after 10am. Cloudy, with a high near 64. Southeast wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers likely. Cloudy, with a low around 55. Chance of precipitation is 70%.
Sunday
Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 52.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 62.
Monday Night
A chance of showers. Mostly cloudy, with a low around 49.
Tuesday
A chance of showers. Mostly cloudy, with a high near 62.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 47.
Wednesday
A chance of showers. Mostly sunny, with a high near 61.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 47.
Thursday
A slight chance of showers. Mostly sunny, with a high near 61.
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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:
1:03 pm PST Jan 1, 2026
Forecast Valid:
4pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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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