National Weather Service Forecast for: 8 Miles NNE Lake Forest CA
Issued by: National Weather Service San Diego, CA
Updated: 12:05 pm PDT Jul 12, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 62. West wind around 5 mph becoming calm  in the evening.
Partly Cloudy
Monday

Monday: Partly sunny, with a high near 85. Light and variable wind becoming west 5 to 10 mph in the morning.
Partly Sunny
Monday
Night
Monday Night: Mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm.
Mostly Cloudy
Tuesday

Tuesday: Sunny, with a high near 90. Light northwest wind becoming west 5 to 10 mph in the morning.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 66. Southwest wind around 5 mph becoming calm  in the evening.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 97.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 70.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 92.
Sunny
Thursday
Night
Thursday Night: Partly cloudy, with a low around 66.
Partly Cloudy
Lo 62 °F Hi 85 °F Lo 63 °F Hi 90 °F Lo 66 °F Hi 97 °F Lo 70 °F Hi 92 °F Lo 66 °F

Extreme Heat Watch
 

Tonight
 
Partly cloudy, with a low around 62. West wind around 5 mph becoming calm in the evening.
Monday
 
Partly sunny, with a high near 85. Light and variable wind becoming west 5 to 10 mph in the morning.
Monday Night
 
Mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm.
Tuesday
 
Sunny, with a high near 90. Light northwest wind becoming west 5 to 10 mph in the morning.
Tuesday Night
 
Mostly clear, with a low around 66. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
 
Sunny, with a high near 97.
Wednesday Night
 
Mostly clear, with a low around 70.
Thursday
 
Sunny, with a high near 92.
Thursday Night
 
Partly cloudy, with a low around 66.
Friday
 
A slight chance of showers after 11am. Mostly sunny, with a high near 87.
Friday Night
 
A slight chance of showers. Partly cloudy, with a low around 64.
Saturday
 
A slight chance of showers. Mostly sunny, with a high near 86.
Saturday Night
 
Partly cloudy, with a low around 63.
Sunday
 
A slight chance of showers. Sunny, with a high near 85.

 

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