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

65°F

18°C

Humidity 43%
Wind Speed NE 0 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 42°F (6°C)
Visibility NA
Last update 11 Nov 08:45 PM PST
Extended Forecast for

Lake Forest CA

  • Tonight

    Tonight: Mostly clear, with a low around 62. East wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 4am. Low around 60. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 60 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, mainly before 10am. High near 70. Southeast wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 70 °F

    Showers

  • Friday Night

    Friday Night: Showers, mainly before 4am. Low around 60. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers

  • Saturday

    Saturday: A chance of showers, mainly before 10am. Partly sunny, with a high near 69. Chance of precipitation is 40%.

    High: 69 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after 10pm. Partly cloudy, with a low around 56.

    Low: 56 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 62. East wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 80. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Thursday Night
Showers, mainly after 4am. Low around 60. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers, mainly before 10am. High near 70. Southeast wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers, mainly before 4am. Low around 60. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A chance of showers, mainly before 10am. Partly sunny, with a high near 69. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
A slight chance of showers after 10pm. Partly cloudy, with a low around 56.
Monday
Showers likely. Mostly cloudy, with a high near 68.
Monday Night
Showers likely. Mostly cloudy, with a low around 53.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
A chance of showers. Sunny, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest CA
 33.65°N 117.69°W (Elev. 449 ft)
Last Update:
12:06 pm PST Nov 11, 2026
Forecast Valid:
11pm PST Nov 11, 2026-6pm PST Nov 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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