National Weather Service Forecast for: 8 Miles NNE Lake Forest CA
Issued by: National Weather Service San Diego, CA
Updated: 12:29 am PDT Jun 22, 2026
 
Overnight

Overnight: Partly cloudy, with a low around 54. Calm wind.
Partly Cloudy
Monday

Monday: Sunny, with a high near 78. Light northwest wind becoming west 5 to 10 mph in the morning.
Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 57. Southwest wind around 5 mph becoming calm  in the evening.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the morning.
Sunny
Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 61. South wind around 5 mph becoming calm  in the evening.
Partly Cloudy
Wednesday

Wednesday: Mostly sunny, with a high near 87.
Mostly Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 57.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 83.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 55.
Mostly Clear
Lo 54 °F Hi 78 °F Lo 57 °F Hi 84 °F Lo 61 °F Hi 87 °F Lo 57 °F Hi 83 °F Lo 55 °F

Air Quality Alert
 

Overnight
 
Partly cloudy, with a low around 54. Calm wind.
Monday
 
Sunny, with a high near 78. Light northwest wind becoming west 5 to 10 mph in the morning.
Monday Night
 
Mostly clear, with a low around 57. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
 
Sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the morning.
Tuesday Night
 
Partly cloudy, with a low around 61. South wind around 5 mph becoming calm in the evening.
Wednesday
 
Mostly sunny, with a high near 87.
Wednesday Night
 
Mostly clear, with a low around 57.
Thursday
 
Sunny, with a high near 83.
Thursday Night
 
Mostly clear, with a low around 55.
Friday
 
Sunny, with a high near 83.
Friday Night
 
Mostly clear, with a low around 54.
Saturday
 
Sunny, with a high near 81.
Saturday Night
 
Partly cloudy, with a low around 55.
Sunday
 
Mostly sunny, with a high near 73.

 

Forecast from NOAA-NWS for 8 Miles NNE Lake Forest CA.