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

81°F

27°C

Humidity 31%
Wind Speed NE 0 MPH
Barometer 29.76 in (1007.79 mb)
Dewpoint 48°F (9°C)
Visibility NA
Heat Index80°F (27°C)
Last update 06 Oct 02:07 AM PDT
Extended Forecast for

3 Miles NNE Lake Forest CA

Extreme Heat Warning October 6, 02:25am until October 8, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning October 6, 02:25am until October 8, 08:00pm

    NOW until 8:00pm Thu

    Extreme Heat Warning

  • Overnight

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 98. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 98 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 71. North wind around 5 mph becoming calm.

    Low: 71 °F

    Clear

  • Wednesday

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

    High: 96 °F

    Sunny

  • Wednesday Night

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

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Patchy fog before 11am. Otherwise, sunny, with a high near 91.

    High: 91 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 74. Calm wind becoming east around 5 mph.
Tuesday
Sunny, with a high near 98. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night
Clear, with a low around 71. North wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 96. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 68.
Friday
Patchy fog before 11am. Otherwise, sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 66.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
A slight chance of showers. Mostly sunny, with a high near 78.
Sunday Night
A chance of showers. Partly cloudy, with a low around 59.
Columbus Day
A chance of showers. Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Lake Forest CA
 33.68°N 117.67°W (Elev. 781 ft)
Last Update:
12:32 am PDT Oct 6, 2026
Forecast Valid:
2am PDT Oct 6, 2026-6pm PDT Oct 12, 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