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

74°F

23°C

Humidity 47%
Wind Speed W 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 52°F (11°C)
Visibility NA
Last update 13 May 02:55 PM PDT
Extended Forecast for

Rancho Santa Margarita CA

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 52. West wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 74. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 74 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 53. Southwest wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 72. South wind 5 to 10 mph.

    High: 72 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 54. South wind around 5 mph.

    Low: 54 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 72.

    High: 72 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 52. West wind around 5 mph becoming calm in the evening.
Thursday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 74. Light southwest wind increasing to 5 to 10 mph in the morning.
Thursday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 53. Southwest wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 72. South wind 5 to 10 mph.
Friday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 54. South wind around 5 mph.
Saturday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rancho Santa Margarita CA
 33.66°N 117.61°W (Elev. 1198 ft)
Last Update:
12:07 pm PDT May 13, 2026
Forecast Valid:
3pm PDT May 13, 2026-6pm PDT May 20, 2026
 
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