NWS Forecast for 3 Miles NNE Lake Forest CA

National Weather Service Forecast for: 3 Miles NNE Lake Forest CA
Issued by: National Weather Service San Diego, CA

Updated: 2:24 am PST Dec 18, 2025

Today Sunny	Tonight Mostly Clear	Friday Sunny	Friday Night Mostly Clear then Patchy Fog	Saturday Patchy Fog then Mostly Sunny	Saturday Night Patchy Fog	Sunday Patchy Fog then Partly Sunny	Sunday Night Patchy Fog	Monday Patchy Fog then Partly Sunny
Hi 78 °F	Lo 56 °F	Hi 74 °F	Lo 52 °F	Hi 70 °F	Lo 54 °F	Hi 71 °F	Lo 53 °F	Hi 70 °F

Air Quality Alert

Today	Sunny, with a high near 78. Calm wind becoming west around 5 mph.
Tonight	Mostly clear, with a low around 56. West wind around 5 mph becoming east after midnight.
Friday	Sunny, with a high near 74. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night	Patchy fog after 4am. Otherwise, mostly clear, with a low around 52. South wind around 5 mph becoming calm in the evening.
Saturday	Patchy fog before 10am. Otherwise, mostly sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night	Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 54.
Sunday	Patchy fog before 10am. Otherwise, partly sunny, with a high near 71.
Sunday Night	Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 53.
Monday	Patchy fog before 10am. Otherwise, partly sunny, with a high near 70.
Monday Night	Mostly cloudy, with a low around 53.
Tuesday	A chance of rain. Mostly cloudy, with a high near 67.
Tuesday Night	Rain likely. The rain could be heavy at times. Mostly cloudy, with a low around 55.
Wednesday	Rain. The rain could be heavy at times. Cloudy, with a high near 65.

Forecast from NOAA-NWS for 3 Miles NNE Lake Forest CA.