National Weather Service Forecast for: Los Alamitos CA
Issued by: National Weather Service San Diego, CA
Updated: 12:14 pm PDT Apr 6, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 74. Southwest wind around 10 mph, with gusts as high as 20 mph.
Sunny
Tonight

Tonight: Increasing clouds, with a low around 57. Southwest wind 5 to 10 mph becoming southeast after midnight.
Increasing
Clouds
Tuesday

Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 74. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
Decreasing
Clouds
Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 57. Southwest wind around 5 mph becoming southeast after midnight.
Partly Cloudy
Wednesday

Wednesday: Mostly sunny, with a high near 76. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
Mostly Sunny
Wednesday
Night
Wednesday Night: Increasing clouds, with a low around 58.
Increasing
Clouds
Thursday

Thursday: Mostly cloudy, with a high near 74.
Mostly Cloudy
Thursday
Night
Thursday Night: Mostly cloudy, with a low around 57.
Mostly Cloudy
Friday

Friday: A slight chance of showers after 11am.  Partly sunny, with a high near 72.
Slight Chance
Showers
Hi 74 °F Lo 57 °F Hi 74 °F Lo 57 °F Hi 76 °F Lo 58 °F Hi 74 °F Lo 57 °F Hi 72 °F

 

This Afternoon
 
Sunny, with a high near 74. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
 
Increasing clouds, with a low around 57. Southwest wind 5 to 10 mph becoming southeast after midnight.
Tuesday
 
Mostly cloudy, then gradually becoming sunny, with a high near 74. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
Tuesday Night
 
Partly cloudy, with a low around 57. Southwest wind around 5 mph becoming southeast after midnight.
Wednesday
 
Mostly sunny, with a high near 76. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
Wednesday Night
 
Increasing clouds, with a low around 58.
Thursday
 
Mostly cloudy, with a high near 74.
Thursday Night
 
Mostly cloudy, with a low around 57.
Friday
 
A slight chance of showers after 11am. Partly sunny, with a high near 72.
Friday Night
 
A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Mostly cloudy, with a low around 57.
Saturday
 
A chance of showers and thunderstorms. Mostly cloudy, with a high near 68.
Saturday Night
 
A slight chance of showers. Partly cloudy, with a low around 55.
Sunday
 
A slight chance of showers. Partly sunny, with a high near 68.

 

Forecast from NOAA-NWS for Los Alamitos CA.