National Weather Service Forecast for: Los Alamitos CA
Issued by: National Weather Service San Diego, CA
Updated: 12:37 am PDT May 4, 2026
 
Today

Today: Partly sunny, with a high near 68. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Partly Sunny
 Tonight

Tonight: A slight chance of showers after 11pm. Mostly cloudy, with a low around 56. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Slight Chance
Showers
 Tuesday

Tuesday: Mostly sunny, with a high near 68. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Mostly Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 55. West wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph.
Mostly Clear
 Wednesday

Wednesday: Mostly sunny, with a high near 72. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Mostly Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 57.
Mostly Clear
 Thursday

Thursday: Mostly sunny, with a high near 76.
Mostly Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 59.
Mostly Clear
 Friday

Friday: Partly sunny, then gradually becoming sunny, with a high near 77.
Becoming
Sunny
Hi 68 °F Lo 56 °F Hi 68 °F Lo 55 °F Hi 72 °F Lo 57 °F Hi 76 °F Lo 59 °F Hi 77 °F

 

Today
 
 Partly sunny, with a high near 68. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
 
 A slight chance of showers after 11pm. Mostly cloudy, with a low around 56. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday
 
 Mostly sunny, with a high near 68. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
 
 Mostly clear, with a low around 55. West wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph.
Wednesday
 
 Mostly sunny, with a high near 72. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
 
 Mostly clear, with a low around 57.
Thursday
 
 Mostly sunny, with a high near 76.
Thursday Night
 
 Mostly clear, with a low around 59.
Friday
 
 Partly sunny, then gradually becoming sunny, with a high near 77.
Friday Night
 
 Mostly clear, with a low around 59.
Saturday
 
 Mostly sunny, with a high near 79.
Saturday Night
 
 Mostly clear, with a low around 61.
Sunday
 
 Mostly sunny, with a high near 80.

 

Forecast from NOAA-NWS for Los Alamitos CA.