National Weather Service Forecast for: Los Alamitos CA
Issued by: National Weather Service San Diego, CA
Updated: 11:35 am PST Nov 1, 2026
 
Tonight

Tonight: Mostly clear, with a low around 55. West wind around 5 mph becoming calm.
Mostly Clear
Monday

Monday: Sunny, with a high near 75. Calm wind becoming southwest around 5 mph in the afternoon.
Sunny
Monday
Night
Monday Night: Partly cloudy, with a low around 56. Calm wind.
Partly Cloudy
Tuesday

Tuesday: Mostly sunny, with a high near 74. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Mostly Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 56. Northwest wind around 5 mph becoming east in the evening.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 74.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 58.
Mostly Clear
Thursday

Thursday: Mostly sunny, with a high near 77.
Mostly Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 58.
Mostly Clear
Lo 55 °F Hi 75 °F Lo 56 °F Hi 74 °F Lo 56 °F Hi 74 °F Lo 58 °F Hi 77 °F Lo 58 °F

 

Tonight
 
Mostly clear, with a low around 55. West wind around 5 mph becoming calm.
Monday
 
Sunny, with a high near 75. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
 
Partly cloudy, with a low around 56. Calm wind.
Tuesday
 
Mostly sunny, with a high near 74. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night
 
Mostly clear, with a low around 56. Northwest wind around 5 mph becoming east in the evening.
Wednesday
 
Sunny, with a high near 74.
Wednesday Night
 
Mostly clear, with a low around 58.
Thursday
 
Mostly sunny, with a high near 77.
Thursday Night
 
Mostly clear, with a low around 58.
Friday
 
Sunny, with a high near 79.
Friday Night
 
Mostly clear, with a low around 60.
Saturday
 
Sunny, with a high near 83.
Saturday Night
 
Mostly clear, with a low around 63.
Sunday
 
Mostly sunny, with a high near 83.

 

Forecast from NOAA-NWS for Los Alamitos CA.