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Hazardous Weather Conditions

Current conditions at

CW5283 Foothill Ranch (C5283)

Lat: 33.685°NLon: 117.65583°WElev: 986.91ft.

NA

73°F

23°C

Humidity 63%
Wind Speed N 0 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 60°F (16°C)
Visibility NA
Last update 25 Aug 12:25 AM PDT
Extended Forecast for

Rancho Santa Margarita CA

Heat Advisory August 25, 12:44am until August 25, 10:00am
Extreme Heat Warning August 25, 10:00am until August 28, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Heat Advisory August 25, 12:44am until August 25, 10:00am

    NOW until 10:00am Tue

    Heat Advisory

  • Overnight

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 98. Calm wind becoming west around 5 mph in the afternoon.

    High: 98 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 101. Heat index values as high as 105. Calm wind becoming west around 5 mph in the afternoon.

    High: 101 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. West wind around 5 mph becoming calm.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 104.

    High: 104 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 104.

    High: 104 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 68. Calm wind.
Tuesday
Sunny, with a high near 98. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 101. Heat index values as high as 105. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 74. West wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 104.
Thursday Night
Partly cloudy, with a low around 74.
Friday
Mostly sunny, with a high near 104.
Friday Night
Partly cloudy, with a low around 72.
Saturday
Sunny, with a high near 96.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 88.
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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:
12:03 am PDT Aug 25, 2026
Forecast Valid:
12am PDT Aug 25, 2026-6pm PDT Aug 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation