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

60°F

16°C

Humidity 76%
Wind Speed SW 0 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 52°F (11°C)
Visibility NA
Last update 15 May 09:40 AM PDT
Extended Forecast for

Rancho Santa Margarita CA

  • Today

    Today: Cloudy early, then gradual clearing, with a high near 70. Southwest wind 5 to 10 mph.

    High: 70 °F

    Gradual
    Clearing

  • Tonight

    Tonight: Increasing clouds, with a low around 54. South wind around 5 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 68. South wind 5 to 10 mph.

    High: 68 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54. South wind 5 to 10 mph.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 71. South wind around 10 mph, with gusts as high as 20 mph.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 76.

    High: 76 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Cloudy early, then gradual clearing, with a high near 70. Southwest wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 54. South wind around 5 mph.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 68. South wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 54. South wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 71. South wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 76.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 80.
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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:
12:15 am PDT May 15, 2026
Forecast Valid:
9am PDT May 15, 2026-6pm PDT May 21, 2026
 
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