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: 986.91ft.

NA

72°F

22°C

Humidity 67%
Wind Speed N 0 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 60°F (16°C)
Visibility NA
Last update 25 Aug 01:10 AM PDT
Extended Forecast for

3 Miles N Lake Forest CA

Heat Advisory August 25, 01:22am 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, 01:22am until August 25, 10:00am

    NOW until 10:00am Tue

    Heat Advisory

  • Overnight

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 96 °F

    Sunny

  • Tuesday Night

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

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 99. Calm wind becoming west around 5 mph in the afternoon.

    High: 99 °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: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 102.

    High: 102 °F

    Patchy Fog
    then 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 103.

    High: 103 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 69. Calm wind.
Tuesday
Sunny, with a high near 96. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 99. 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
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 102.
Thursday Night
Partly cloudy, with a low around 74.
Friday
Mostly sunny, with a high near 103.
Friday Night
Partly cloudy, with a low around 72.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Lake Forest CA
 33.7°N 117.7°W (Elev. 597 ft)
Last Update:
12:03 am PDT Aug 25, 2026
Forecast Valid:
1am 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