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 74%
Wind Speed ESE 0 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 53°F (12°C)
Visibility NA
Last update 30 Oct 07:25 PM PDT
Extended Forecast for

Rancho Santa Margarita CA

  • Tonight

    Tonight: A chance of showers before 11pm. Mostly cloudy, with a low around 56. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 70. East wind around 5 mph becoming calm in the afternoon.

    High: 70 °F

    Cloudy

  • Saturday Night

    Saturday Night: Rain, mainly after 11pm. Low around 59. Calm wind becoming east around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Rain

  • Sunday

    Sunday: Rain likely before 11am, then a chance of showers after 11am. Mostly cloudy, with a high near 68. Calm wind becoming east around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A slight chance of showers before 11pm. Mostly cloudy, with a low around 55. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers before 11pm. Mostly cloudy, with a low around 56. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Cloudy, with a high near 70. East wind around 5 mph becoming calm in the afternoon.
Saturday Night
Rain, mainly after 11pm. Low around 59. Calm wind becoming east around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain likely before 11am, then a chance of showers after 11am. Mostly cloudy, with a high near 68. Calm wind becoming east around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A slight chance of showers before 11pm. Mostly cloudy, with a low around 55. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 55.
Friday
A slight chance of showers. Mostly sunny, with a high near 71.
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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:
11:31 am PDT Oct 30, 2026
Forecast Valid:
7pm PDT Oct 30, 2026-6pm PST Nov 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation