| National Weather Service Forecast for:
Lake Forest CA Issued by: National Weather Service San Diego, CA |
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| Updated: 1:29 pm PST Dec 16, 2025 | ||||||||||||||||||
|
Air Quality Alert
Dense Fog Advisory
| Tonight |
Patchy fog after 7pm. Otherwise, partly cloudy, with a low around 54. Calm wind. |
| Wednesday |
Patchy fog before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 73. Calm wind becoming west around 5 mph in the afternoon. |
| Wednesday Night |
Patchy fog. Otherwise, partly cloudy, with a low around 55. East wind around 5 mph. |
| Thursday |
Patchy fog. Otherwise, sunny, with a high near 79. Calm wind becoming west around 5 mph. |
| Thursday Night |
Mostly clear, with a low around 57. Calm wind. |
| Friday |
Sunny, with a high near 76. |
| Friday Night |
Partly cloudy, with a low around 55. |
| Saturday |
Mostly sunny, with a high near 73. |
| Saturday Night |
Partly cloudy, with a low around 54. |
| Sunday |
Partly sunny, with a high near 73. |
| Sunday Night |
Partly cloudy, with a low around 54. |
| Monday |
Partly sunny, with a high near 74. |
| Monday Night |
Mostly cloudy, with a low around 54. |
| Tuesday |
A slight chance of showers. Mostly cloudy, then gradually becoming sunny, with a high near 71. |
Forecast from NOAA-NWS for Lake Forest CA.
