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

73°F

23°C

Humidity 58%
Wind Speed SW 0 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 57°F (14°C)
Visibility NA
Last update 09 Apr 02:25 PM PDT
Extended Forecast for

Lake Forest CA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 79. Southwest wind around 5 mph.

    High: 79 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 56. Southwest wind around 5 mph.

    Low: 56 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 75. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 75 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 11pm. Mostly cloudy, with a low around 56. Southwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 71. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 71 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 11pm. Increasing clouds, with a low around 55. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers. High near 68. Chance of precipitation is 80%.

    High: 68 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers. Mostly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 79. Southwest wind around 5 mph.
Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 56. Southwest wind around 5 mph.
Friday
Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 75. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
A slight chance of showers after 11pm. Mostly cloudy, with a low around 56. Southwest wind around 5 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 71. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A chance of showers after 11pm. Increasing clouds, with a low around 55. Chance of precipitation is 50%.
Sunday
Showers. High near 68. Chance of precipitation is 80%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 50.
Monday
A slight chance of showers. Mostly sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 76.
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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:
1:16 pm PDT Apr 9, 2026
Forecast Valid:
2pm PDT Apr 9, 2026-6pm PDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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