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 77%
Wind Speed NW 0 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 61°F (16°C)
Visibility NA
Last update 12 Aug 09:10 PM PDT
Extended Forecast for

Rancho Santa Margarita CA

  • Tonight

    Tonight: Patchy dense fog after 5am. Otherwise, cloudy, with a low around 61. South wind around 5 mph becoming calm.

    Low: 61 °F

    Mostly Cloudy
    then Patchy
    Dense Fog

  • Thursday

    Thursday: Patchy dense fog before 8am. Otherwise, mostly cloudy, with a high near 80. Calm wind becoming southwest around 5 mph in the morning.

    High: 80 °F

    Patchy Dense
    Fog then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Patchy dense fog after 11pm. Otherwise, cloudy, with a low around 60. South wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Patchy Dense
    Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Patchy Fog

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy dense fog after 5am. Otherwise, cloudy, with a low around 61. South wind around 5 mph becoming calm.
Thursday
Patchy dense fog before 8am. Otherwise, mostly cloudy, with a high near 80. Calm wind becoming southwest around 5 mph in the morning.
Thursday Night
Patchy dense fog after 11pm. Otherwise, cloudy, with a low around 60. South wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 88.
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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:
12:36 pm PDT Aug 12, 2026
Forecast Valid:
9pm PDT Aug 12, 2026-6pm PDT Aug 19, 2026
 
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Additional Resources

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