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

75°F

24°C

Humidity 59%
Wind Speed N 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 60°F (16°C)
Visibility NA
Last update 25 Aug 01:22 AM PDT
Extended Forecast for

6 Miles NNE Rancho Santa Margarita CA

Heat Advisory August 25, 01:44am 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, 01:44am until August 25, 10:00am

    NOW until 10:00am Tue

    Heat Advisory

  • Overnight

    Low: 76 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 78. Northwest wind around 5 mph becoming north in the evening.

    Low: 78 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Northwest wind around 5 mph becoming west in the afternoon.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 79. Calm wind becoming east around 5 mph after midnight.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 80.

    Low: 80 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Overnight
Clear, with a low around 76. Northwest wind around 5 mph.
Tuesday
Sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 78. Northwest wind around 5 mph becoming north in the evening.
Wednesday
Sunny, with a high near 89. Northwest wind around 5 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 79. Calm wind becoming east around 5 mph after midnight.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 80.
Friday
Mostly sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 79.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 68.
Monday
Sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNE Rancho Santa Margarita CA
 33.72°N 117.54°W (Elev. 5062 ft)
Last Update:
12:03 am PDT Aug 25, 2026
Forecast Valid:
1am PDT Aug 25, 2026-6pm PDT Aug 31, 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