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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 33.67°N 117.7°W (Text-Only)
NWS Forecast for: Lake Forest CA
Issued by: National Weather Service San Diego, CA
Last Update: 7:55 pm PST Dec 4, 2025		Print

  • Overnight

    Overnight: Mostly clear, with a low around 50. Northeast wind around 5 mph.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 69 °F

    Sunny

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69. Calm wind becoming southwest around 5 mph.

    High: 69 °F

    Sunny

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

    • Overnight: Mostly clear, with a low around 50. Northeast wind around 5 mph.

    Friday: Sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon.

    Friday Night: Mostly clear, with a low around 49. Calm wind.

    Saturday: Sunny, with a high near 69. Calm wind becoming southwest around 5 mph.

    Saturday Night: Mostly clear, with a low around 51. Calm wind.

    Sunday: Sunny, with a high near 73.

    Sunday Night: Mostly clear, with a low around 53.

    Monday: Sunny, with a high near 77.

    Monday Night: Mostly clear, with a low around 56.

    Tuesday: Sunny, with a high near 79.

    Tuesday Night: Mostly clear, with a low around 56.

    Wednesday: Sunny, with a high near 77.

    Wednesday Night: Mostly clear, with a low around 56.

    Thursday: Sunny, with a high near 77.


    Lake Forest CA
     33.67°N 117.7°W (Elev. 587 ft)

    Visit your local NWS office at: https://www.weather.gov/sgx