National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

CW7445 Temescal Valley (C7445)

Lat: 33.76748°NLon: 117.4514°WElev: 1341.86ft.

NA

100°F

38°C

Humidity 27%
Wind Speed ESE 1 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 60°F (16°C)
Visibility NA
Heat Index101°F (38°C)
Last update 24 Aug 11:52 AM PDT
Extended Forecast for

8 Miles NNE Rancho Santa Margarita CA

Heat Advisory August 24, 12:10pm 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 24, 12:10pm until August 25, 10:00am

    NOW until 10:00am Tue

    Heat Advisory

  • This Afternoon

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 78. West wind 5 to 10 mph becoming east after midnight.

    Low: 78 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 80.

    Low: 80 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 82.

    Low: 82 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 92. Southwest wind 5 to 10 mph.
Tonight
Clear, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 94. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Clear, with a low around 78. West wind 5 to 10 mph becoming east after midnight.
Wednesday
Sunny, with a high near 95. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Clear, with a low around 80.
Thursday
Sunny, with a high near 96.
Thursday Night
Partly cloudy, with a low around 82.
Friday
Mostly sunny, with a high near 96.
Friday Night
Mostly clear, with a low around 80.
Saturday
Sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNE Rancho Santa Margarita CA
 33.74°N 117.55°W (Elev. 3658 ft)
Last Update:
11:49 am PDT Aug 24, 2026
Forecast Valid:
12pm PDT Aug 24, 2026-6pm PDT Aug 30, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation