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

CW5283 Foothill Ranch (C5283)

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

NA

67°F

19°C

Humidity 77%
Wind Speed WNW 0 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 60°F (16°C)
Visibility NA
Last update 13 Aug 10:10 PM PDT
Extended Forecast for

Lake Forest CA

  • Tonight

    Tonight: Patchy dense fog after 2am. Otherwise, mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm.

    Low: 64 °F

    Mostly Cloudy
    then Patchy
    Dense Fog

  • Friday

    Friday: Patchy dense fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 82 °F

    Patchy Dense
    Fog then
    Sunny

  • Friday Night

    Friday Night: Patchy dense fog after 2am. Otherwise, mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy
    then Patchy
    Dense Fog

  • Saturday

    Saturday: Patchy dense fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. Light northwest wind becoming west 5 to 10 mph in the afternoon.

    High: 84 °F

    Patchy Dense
    Fog then
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 64. West wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Patchy Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 87.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy dense fog after 2am. Otherwise, mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm.
Friday
Patchy dense fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
Patchy dense fog after 2am. Otherwise, mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Patchy dense fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. Light northwest wind becoming west 5 to 10 mph in the afternoon.
Saturday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 64. West wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 64.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest CA
 33.65°N 117.69°W (Elev. 449 ft)
Last Update:
8:48 pm PDT Aug 13, 2026
Forecast Valid:
10pm PDT Aug 13, 2026-6pm PDT Aug 20, 2026
 
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