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

69°F

21°C

Humidity 69%
Wind Speed WNW 0 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 04 Aug 08:55 PM PDT
Extended Forecast for

Rancho Santa Margarita CA

Heat Advisory August 6, 10:00am until August 8, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Widespread haze before 11pm. Partly cloudy, with a low around 61. Calm wind becoming south around 5 mph.

    Low: 61 °F

    Haze then
    Partly Cloudy

  • Tuesday

    Tuesday: Widespread haze after 11am. Partly sunny, then gradually becoming sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the morning.

    High: 87 °F

    Haze

  • Tuesday Night

    Tuesday Night: Widespread haze before 11pm. Partly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Haze then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 94. Calm wind becoming west around 5 mph in the afternoon.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66. West wind around 5 mph becoming calm.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 66.

    Low: 66 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 93.

    High: 93 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 65.

    Low: 65 °F

    Patchy Fog

Detailed Forecast

Tonight
Widespread haze before 11pm. Partly cloudy, with a low around 61. Calm wind becoming south around 5 mph.
Tuesday
Widespread haze after 11am. Partly sunny, then gradually becoming sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the morning.
Tuesday Night
Widespread haze before 11pm. Partly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 94. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 66. West wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 92.
Thursday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 66.
Friday
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 93.
Friday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 65.
Saturday
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 89.
Saturday Night
Patchy fog. Otherwise, increasing clouds, with a low around 65.
Sunday
Patchy fog. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 88.
Sunday Night
Patchy fog. Otherwise, increasing clouds, with a low around 64.
Monday
Patchy fog. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 87.
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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 PDT Aug 4, 2025
Forecast Valid:
9pm PDT Aug 4, 2025-6pm PDT Aug 11, 2025
 
Forecast Discussion
 
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Additional Resources

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