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 65. 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, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall. High near 65. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Heavy Rain
and Breezy
 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm. Low around 58. South wind 5 to 10 mph becoming east after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 Christmas
Day
Christmas Day: Showers. High near 64. 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 65 °F Lo 59 °F Hi 65 °F Lo 58 °F Hi 64 °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 65. 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, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall. High near 65. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Wednesday Night
 
 Showers and possibly a thunderstorm. Low around 58. South wind 5 to 10 mph becoming east after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Christmas Day
 
 Showers. High near 64. 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 61.
Saturday Night
 
 Partly cloudy, with a low around 48.
Sunday
 
 Sunny, with a high near 64.
Sunday Night
 
 Mostly clear, with a low around 48.
Monday
 
 A slight chance of showers. Mostly sunny, with a high near 65.

 

Forecast from NOAA-NWS for Los Alamitos CA.