National Weather Service Forecast for: Los Alamitos CA
Issued by: National Weather Service San Diego, CA
Updated: 10:18 am PDT May 26, 2026
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 68. Southwest wind around 10 mph.
Mostly Sunny

 Tonight

Tonight: Patchy drizzle after 2am. Increasing clouds, with a low around 57. West wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph.
Partly Cloudy
then Patchy
Drizzle
 Wednesday

Wednesday: Patchy drizzle before 11am. Cloudy through mid morning, then gradual clearing, with a high near 67. Southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Patchy
Drizzle then
Mostly Sunny
 Wednesday
Night
Wednesday Night: Patchy drizzle after 2am. Increasing clouds, with a low around 57. Southwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Partly Cloudy
then Patchy
Drizzle
 Thursday

Thursday: Patchy drizzle before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 69. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Patchy
Drizzle then
Mostly Sunny
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 57.
Partly Cloudy

 Friday

Friday: Mostly sunny, with a high near 71.
Mostly Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 58.
Mostly Clear

 Saturday

Saturday: Mostly sunny, with a high near 73.
Mostly Sunny
Hi 68 °F Lo 57 °F Hi 67 °F Lo 57 °F Hi 69 °F Lo 57 °F Hi 71 °F Lo 58 °F Hi 73 °F

 

This Afternoon
 
 Mostly sunny, with a high near 68. Southwest wind around 10 mph.
Tonight
 
 Patchy drizzle after 2am. Increasing clouds, with a low around 57. West wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph.
Wednesday
 
 Patchy drizzle before 11am. Cloudy through mid morning, then gradual clearing, with a high near 67. Southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
 
 Patchy drizzle after 2am. Increasing clouds, with a low around 57. Southwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Thursday
 
 Patchy drizzle before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 69. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
 
 Partly cloudy, with a low around 57.
Friday
 
 Mostly sunny, with a high near 71.
Friday Night
 
 Mostly clear, with a low around 58.
Saturday
 
 Mostly sunny, with a high near 73.
Saturday Night
 
 Mostly clear, with a low around 59.
Sunday
 
 Mostly sunny, with a high near 76.
Sunday Night
 
 Partly cloudy, with a low around 60.
Monday
 
 Mostly sunny, with a high near 77.

 

Forecast from NOAA-NWS for Los Alamitos CA.