National Weather Service Forecast for: Los Alamitos CA
Issued by: National Weather Service San Diego, CA
Updated: 12:29 am PDT Jun 22, 2026
 
Today

Today: Mostly cloudy, then gradually becoming sunny, with a high near 75. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Decreasing
Clouds
Tonight

Tonight: Increasing clouds, with a low around 62. Southwest wind 5 to 10 mph becoming light  in the evening.
Increasing
Clouds
Tuesday

Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 78. Light west wind becoming southwest 5 to 10 mph in the morning.
Decreasing
Clouds
Tuesday
Night
Tuesday Night: Increasing clouds, with a low around 64. Southwest wind around 5 mph becoming calm  in the evening.
Increasing
Clouds
Wednesday

Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 81. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Decreasing
Clouds
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 63.
Partly Cloudy
Thursday

Thursday: Mostly sunny, with a high near 78.
Mostly Sunny
Thursday
Night
Thursday Night: Increasing clouds, with a low around 63.
Increasing
Clouds
Friday

Friday: Mostly cloudy, then gradually becoming sunny, with a high near 78.
Decreasing
Clouds
Hi 75 °F Lo 62 °F Hi 78 °F Lo 64 °F Hi 81 °F Lo 63 °F Hi 78 °F Lo 63 °F Hi 78 °F

Air Quality Alert
 

Today
 
Mostly cloudy, then gradually becoming sunny, with a high near 75. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tonight
 
Increasing clouds, with a low around 62. Southwest wind 5 to 10 mph becoming light in the evening.
Tuesday
 
Mostly cloudy, then gradually becoming sunny, with a high near 78. Light west wind becoming southwest 5 to 10 mph in the morning.
Tuesday Night
 
Increasing clouds, with a low around 64. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
 
Mostly cloudy, then gradually becoming sunny, with a high near 81. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
 
Partly cloudy, with a low around 63.
Thursday
 
Mostly sunny, with a high near 78.
Thursday Night
 
Increasing clouds, with a low around 63.
Friday
 
Mostly cloudy, then gradually becoming sunny, with a high near 78.
Friday Night
 
Increasing clouds, with a low around 62.
Saturday
 
Mostly cloudy, then gradually becoming sunny, with a high near 77.
Saturday Night
 
Increasing clouds, with a low around 62.
Sunday
 
Mostly cloudy, then gradually becoming sunny, with a high near 72.

 

Forecast from NOAA-NWS for Los Alamitos CA.