National Weather Service Forecast for: Pasadena CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 9:01 pm PST Dec 22, 2025
 
Tonight

Tonight: Cloudy, with a low around 50. Calm wind.
Cloudy
Tuesday

Tuesday: Rain, mainly after 4pm.  High near 64. South 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 Rain
then Rain
Tuesday
Night
Tuesday Night: Rain before 10pm, then rain and possibly a thunderstorm between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall.  Low around 54. South southeast wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Heavy Rain
Wednesday

Wednesday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  High near 62. South wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible.
Heavy Rain
Wednesday
Night
Wednesday Night: Showers.  Low around 50. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Showers
Christmas
Day
Christmas Day: Showers.  High near 61. Chance of precipitation is 90%.
Showers
Thursday
Night
Thursday Night: Showers.  Low around 49. Chance of precipitation is 100%.
Showers
Friday

Friday: Showers.  Cloudy, with a high near 60.
Showers
Friday
Night
Friday Night: A chance of showers, mainly before 4am.  Mostly cloudy, with a low around 43.
Chance
Showers
Lo 50 °F Hi 64 °F Lo 54 °F Hi 62 °F Lo 50 °F Hi 61 °F Lo 49 °F Hi 60 °F Lo 43 °F

Flood Watch
Wind Advisory
 

Tonight
 
Cloudy, with a low around 50. Calm wind.
Tuesday
 
Rain, mainly after 4pm. High near 64. South 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
 
Rain before 10pm, then rain and possibly a thunderstorm between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 54. South southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
 
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 62. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible.
Wednesday Night
 
Showers. Low around 50. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Christmas Day
 
Showers. High near 61. Chance of precipitation is 90%.
Thursday Night
 
Showers. Low around 49. Chance of precipitation is 100%.
Friday
 
Showers. Cloudy, with a high near 60.
Friday Night
 
A chance of showers, mainly before 4am. Mostly cloudy, with a low around 43.
Saturday
 
A chance of showers, mainly between 10am and 4pm. Mostly sunny, with a high near 60.
Saturday Night
 
A slight chance of showers. Mostly clear, with a low around 40.
Sunday
 
Sunny, with a high near 63.
Sunday Night
 
Mostly clear, with a low around 42.
Monday
 
A slight chance of showers. Mostly sunny, with a high near 65.

 

Forecast from NOAA-NWS for Pasadena CA.