National Weather Service Forecast for: Los Alamitos CA
Issued by: National Weather Service San Diego, CA
Updated: 12:35 pm PST Dec 22, 2025
 
Tonight

Tonight: Cloudy, with a low around 56. West wind around 5 mph becoming calm.
Cloudy

 Tuesday

Tuesday: Showers, mainly after 4pm. High near 66. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers then
Showers
 Tuesday
Night
Tuesday Night: Showers. The rain could be heavy at times. Low around 59. Breezy, with a southeast wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Heavy Rain
and Breezy
 Wednesday

Wednesday: Showers. The rain could be heavy at times. High near 65. South wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Heavy Rain

 Wednesday
Night
Wednesday Night: Showers. Low around 58. South wind 5 to 10 mph becoming east after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Showers

 Christmas
Day
Christmas Day: Showers. High near 65. Chance of precipitation is 90%.
Showers

 Thursday
Night
Thursday Night: Showers. Low around 55. Chance of precipitation is 100%.
Showers

 Friday

Friday: Showers. Mostly cloudy, with a high near 62.
Showers

 Friday
Night
Friday Night: A chance of showers. Mostly cloudy, with a low around 49.
Chance
Showers
Lo 56 °F Hi 66 °F Lo 59 °F Hi 65 °F Lo 58 °F Hi 65 °F Lo 55 °F Hi 62 °F Lo 49 °F

Flood Watch
Wind Advisory
 

Tonight
 
 Cloudy, with a low around 56. West wind around 5 mph becoming calm.
Tuesday
 
 Showers, mainly after 4pm. High near 66. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
 
 Showers. The rain could be heavy at times. Low around 59. Breezy, with a southeast wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Wednesday
 
 Showers. The rain could be heavy at times. High near 65. South wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
 
 Showers. Low around 58. South wind 5 to 10 mph becoming east after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Christmas Day
 
 Showers. High near 65. Chance of precipitation is 90%.
Thursday Night
 
 Showers. Low around 55. Chance of precipitation is 100%.
Friday
 
 Showers. Mostly cloudy, with a high near 62.
Friday Night
 
 A chance of showers. Mostly cloudy, with a low around 49.
Saturday
 
 A slight chance of showers. Mostly sunny, with a high near 62.
Saturday Night
 
 Partly cloudy, with a low around 48.
Sunday
 
 Sunny, with a high near 65.
Sunday Night
 
 Mostly clear, with a low around 48.
Monday
 
 A slight chance of showers. Mostly sunny, with a high near 66.

 

Forecast from NOAA-NWS for Los Alamitos CA.